CINXE.COM

<!doctype html> <html lang="en-US"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1"> <link rel="profile" href="https://gmpg.org/xfn/11"> <link rel="preload" as="font" type="font/woff2" href="/wp-content/themes/mhh-merck-mco-theme/fonts/InventionVF_W_Wght.woff2" crossorigin="anonymous"> <link rel="preload" as="font" type="font/woff2" href="/wp-content/themes/mhh-merck-mco-theme/fonts/InventionVF_Italics_W_Wght.woff2" crossorigin="anonymous"> <meta name='robots' content='index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1' />  <title>Terms of use - Merck.com</title> <meta name="description" content="Merck is the world's premier research-intensive, purpose-driven biopharmaceutical company. Find our Terms of Use and other documents here." /> <link rel="canonical" href="https://www.merck.com/terms-of-use/" /> <meta property="og:locale" content="en_US" /> <meta property="og:type" content="article" /> <meta property="og:title" content="Terms of use - Merck.com" /> <meta property="og:description" content="Merck is the world's premier research-intensive, purpose-driven biopharmaceutical company. Find our Terms of Use and other documents here." /> <meta property="og:url" content="https://www.merck.com/terms-of-use/" /> <meta property="og:site_name" content="Merck.com" /> <meta property="article:modified_time" content="2022-05-01T12:59:09+00:00" /> <meta property="og:image" content="https://www.merck.com/wp-content/uploads/sites/124/2022/03/Merck.png" /> <meta property="og:image:width" content="3056" /> <meta property="og:image:height" content="1380" /> <meta property="og:image:type" content="image/png" /> <meta name="twitter:card" content="summary_large_image" /> <meta name="twitter:label1" content="Est. reading time" /> <meta name="twitter:data1" content="5 minutes" /> <script type="application/ld+json" class="yoast-schema-graph">{"@context":"https://schema.org","@graph":[{"@type":"WebPage","@id":"https://www.merck.com/terms-of-use/","url":"https://www.merck.com/terms-of-use/","name":"Terms of use - Merck.com","isPartOf":{"@id":"https://www.merck.com/#website"},"datePublished":"2020-05-12T18:49:19+00:00","dateModified":"2022-05-01T12:59:09+00:00","description":"Merck is the world's premier research-intensive, purpose-driven biopharmaceutical company. Find our Terms of Use and other documents here.","inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https://www.merck.com/terms-of-use/"]}]},{"@type":"WebSite","@id":"https://www.merck.com/#website","url":"https://www.merck.com/","name":"Merck.com","description":"Just another vip-msd.com site","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://www.merck.com/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"}]}</script>  <link rel='dns-prefetch' href='//cdn.cookielaw.org' /> <link rel='stylesheet' id='wp-block-library-css' href='https://www.merck.com/wp-includes/css/dist/block-library/style.min.css?ver=6.2.6' media='all' /> <style id='wp-block-library-inline-css'> .has-text-align-justify{text-align:justify;} </style> <link rel='stylesheet' id='mediaelement-css' href='https://www.merck.com/wp-includes/js/mediaelement/mediaelementplayer-legacy.min.css?ver=4.2.17' media='all' /> <link rel='stylesheet' id='wp-mediaelement-css' href='https://www.merck.com/wp-includes/js/mediaelement/wp-mediaelement.min.css?ver=6.2.6' media='all' /> <style id='elasticpress-facet-style-inline-css'> .widget_ep-facet input[type=search],.wp-block-elasticpress-facet input[type=search]{margin-bottom:1rem}.widget_ep-facet .searchable .inner,.wp-block-elasticpress-facet .searchable .inner{max-height:20em;overflow:scroll}.widget_ep-facet .term.hide,.wp-block-elasticpress-facet .term.hide{display:none}.widget_ep-facet .empty-term,.wp-block-elasticpress-facet .empty-term{opacity:.5;position:relative}.widget_ep-facet .empty-term:after,.wp-block-elasticpress-facet .empty-term:after{bottom:0;content:" ";display:block;left:0;position:absolute;right:0;top:0;width:100%;z-index:2}.widget_ep-facet .level-1,.wp-block-elasticpress-facet .level-1{padding-left:20px}.widget_ep-facet .level-2,.wp-block-elasticpress-facet .level-2{padding-left:40px}.widget_ep-facet .level-3,.wp-block-elasticpress-facet .level-3{padding-left:60px}.widget_ep-facet .level-4,.wp-block-elasticpress-facet .level-4{padding-left:5pc}.widget_ep-facet .level-5,.wp-block-elasticpress-facet .level-5{padding-left:75pt}.widget_ep-facet input[disabled],.wp-block-elasticpress-facet input[disabled]{cursor:pointer;opacity:1}.widget_ep-facet .term a,.wp-block-elasticpress-facet .term a{-webkit-box-align:center;-ms-flex-align:center;align-items:center;display:-webkit-box;display:-ms-flexbox;display:flex;position:relative}.widget_ep-facet .term a:hover .ep-checkbox,.wp-block-elasticpress-facet .term a:hover .ep-checkbox{background-color:#ccc}.ep-checkbox{-webkit-box-align:center;-ms-flex-align:center;-ms-flex-negative:0;-webkit-box-pack:center;-ms-flex-pack:center;align-items:center;background-color:#eee;display:-webkit-box;display:-ms-flexbox;display:flex;flex-shrink:0;height:1em;justify-content:center;margin-right:.25em;width:1em}.ep-checkbox:after{border:solid #fff;border-width:0 .125em .125em 0;content:"";display:none;height:.5em;-webkit-transform:rotate(45deg);transform:rotate(45deg);width:.25em}.ep-checkbox.checked{background-color:#5e5e5e}.ep-checkbox.checked:after{display:block} </style> <link rel='stylesheet' id='elasticpress-related-posts-block-css' href='https://www.merck.com/wp-content/mu-plugins/search/elasticpress/dist/css/related-posts-block-styles.min.css?ver=4.2.2' media='all' /> <link rel='stylesheet' id='classic-theme-styles-css' href='https://www.merck.com/wp-includes/css/classic-themes.min.css?ver=6.2.6' media='all' /> <style id='global-styles-inline-css'> body{--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple: linear-gradient(135deg,rgba(6,147,227,1) 0%,rgb(155,81,224) 100%);--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan: linear-gradient(135deg,rgb(122,220,180) 0%,rgb(0,208,130) 100%);--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange: linear-gradient(135deg,rgba(252,185,0,1) 0%,rgba(255,105,0,1) 100%);--wp--preset--gradient--luminous-vivid-orange-to-vivid-red: linear-gradient(135deg,rgba(255,105,0,1) 0%,rgb(207,46,46) 100%);--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray: linear-gradient(135deg,rgb(238,238,238) 0%,rgb(169,184,195) 100%);--wp--preset--gradient--cool-to-warm-spectrum: linear-gradient(135deg,rgb(74,234,220) 0%,rgb(151,120,209) 20%,rgb(207,42,186) 40%,rgb(238,44,130) 60%,rgb(251,105,98) 80%,rgb(254,248,76) 100%);--wp--preset--gradient--blush-light-purple: linear-gradient(135deg,rgb(255,206,236) 0%,rgb(152,150,240) 100%);--wp--preset--gradient--blush-bordeaux: linear-gradient(135deg,rgb(254,205,165) 0%,rgb(254,45,45) 50%,rgb(107,0,62) 100%);--wp--preset--gradient--luminous-dusk: linear-gradient(135deg,rgb(255,203,112) 0%,rgb(199,81,192) 50%,rgb(65,88,208) 100%);--wp--preset--gradient--pale-ocean: linear-gradient(135deg,rgb(255,245,203) 0%,rgb(182,227,212) 50%,rgb(51,167,181) 100%);--wp--preset--gradient--electric-grass: linear-gradient(135deg,rgb(202,248,128) 0%,rgb(113,206,126) 100%);--wp--preset--gradient--midnight: linear-gradient(135deg,rgb(2,3,129) 0%,rgb(40,116,252) 100%);--wp--preset--duotone--dark-grayscale: url('#wp-duotone-dark-grayscale');--wp--preset--duotone--grayscale: url('#wp-duotone-grayscale');--wp--preset--duotone--purple-yellow: url('#wp-duotone-purple-yellow');--wp--preset--duotone--blue-red: url('#wp-duotone-blue-red');--wp--preset--duotone--midnight: url('#wp-duotone-midnight');--wp--preset--duotone--magenta-yellow: url('#wp-duotone-magenta-yellow');--wp--preset--duotone--purple-green: url('#wp-duotone-purple-green');--wp--preset--duotone--blue-orange: url('#wp-duotone-blue-orange');--wp--preset--font-size--small: 13px;--wp--preset--font-size--medium: 20px;--wp--preset--font-size--large: 36px;--wp--preset--font-size--x-large: 42px;--wp--preset--spacing--20: 0.44rem;--wp--preset--spacing--30: 0.67rem;--wp--preset--spacing--40: 1rem;--wp--preset--spacing--50: 1.5rem;--wp--preset--spacing--60: 2.25rem;--wp--preset--spacing--70: 3.38rem;--wp--preset--spacing--80: 5.06rem;--wp--preset--shadow--natural: 6px 6px 9px rgba(0, 0, 0, 0.2);--wp--preset--shadow--deep: 12px 12px 50px rgba(0, 0, 0, 0.4);--wp--preset--shadow--sharp: 6px 6px 0px rgba(0, 0, 0, 0.2);--wp--preset--shadow--outlined: 6px 6px 0px -3px rgba(255, 255, 255, 1), 6px 6px rgba(0, 0, 0, 1);--wp--preset--shadow--crisp: 6px 6px 0px rgba(0, 0, 0, 1);}:where(.is-layout-flex){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}:where(.wp-block-columns.is-layout-flex){gap: 2em;}.has-vivid-cyan-blue-to-vivid-purple-gradient-background{background: var(--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple) !important;}.has-light-green-cyan-to-vivid-green-cyan-gradient-background{background: var(--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan) !important;}.has-luminous-vivid-amber-to-luminous-vivid-orange-gradient-background{background: var(--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange) !important;}.has-luminous-vivid-orange-to-vivid-red-gradient-background{background: var(--wp--preset--gradient--luminous-vivid-orange-to-vivid-red) !important;}.has-very-light-gray-to-cyan-bluish-gray-gradient-background{background: var(--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray) !important;}.has-cool-to-warm-spectrum-gradient-background{background: var(--wp--preset--gradient--cool-to-warm-spectrum) !important;}.has-blush-light-purple-gradient-background{background: var(--wp--preset--gradient--blush-light-purple) !important;}.has-blush-bordeaux-gradient-background{background: var(--wp--preset--gradient--blush-bordeaux) !important;}.has-luminous-dusk-gradient-background{background: var(--wp--preset--gradient--luminous-dusk) !important;}.has-pale-ocean-gradient-background{background: var(--wp--preset--gradient--pale-ocean) !important;}.has-electric-grass-gradient-background{background: var(--wp--preset--gradient--electric-grass) !important;}.has-midnight-gradient-background{background: var(--wp--preset--gradient--midnight) !important;}.has-small-font-size{font-size: var(--wp--preset--font-size--small) !important;}.has-medium-font-size{font-size: var(--wp--preset--font-size--medium) !important;}.has-large-font-size{font-size: var(--wp--preset--font-size--large) !important;}.has-x-large-font-size{font-size: var(--wp--preset--font-size--x-large) !important;} .wp-block-navigation a:where(:not(.wp-element-button)){color: inherit;} :where(.wp-block-columns.is-layout-flex){gap: 2em;} .wp-block-pullquote{font-size: 1.5em;line-height: 1.6;} </style> <link rel='stylesheet' id='qm-object-cache-style-css' href='https://www.merck.com/wp-content/mu-plugins/qm-plugins/qm-object-cache/css/style.css?ver=0.2' media='all' /> <link rel='stylesheet' id='Mco-styles-css' href='https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/css/style.min.css?ver=20190301' media='all' /> <script defer="defer" src="//cdn.cookielaw.org/scripttemplates/otSDKStub.js?ver=6.2.6" data-domain-script="fd658a96-8c4a-4c03-973e-fd83f98fa618"></script><script>function OptanonWrapper() { }</script><link rel="https://api.w.org/" href="https://www.merck.com/wp-json/" /><link rel="alternate" type="application/json" href="https://www.merck.com/wp-json/wp/v2/pages/637469" /><link rel='shortlink' href='https://www.merck.com/?p=637469' /> <link rel="alternate" type="application/json+oembed" href="https://www.merck.com/wp-json/oembed/1.0/embed?url=https%3A%2F%2Fwww.merck.com%2Fterms-of-use%2F" /> <link rel="alternate" type="text/xml+oembed" href="https://www.merck.com/wp-json/oembed/1.0/embed?url=https%3A%2F%2Fwww.merck.com%2Fterms-of-use%2F&format=xml" /> <script> var dataLayer = dataLayer || []; dataLayer.push({"user":{"role":"visitor","isLoggedIn":false}}); dataLayer.push({"site":[]}); </script> <script> ( function( w, d, s, l, i ) { w[l] = w[l] || []; w[l].push( {'gtm.start': new Date().getTime(), event: 'gtm.js'} ); var f = d.getElementsByTagName( s )[0], j = d.createElement( s ), dl = l !== 'dataLayer' ? '&l=' + l : ''; j.async = true; j.src = 'https://www.googletagmanager.com/gtm.js?id=' + i + dl; f.parentNode.insertBefore( j, f ); } )( window, document, 'script', 'dataLayer', 'GTM-M74WZDM' ); </script> <link rel="apple-touch-icon" sizes="180x180" href="https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/images/apple-touch-icon.png"> <link rel="icon" type="image/png" sizes="32x32" href="https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/images/favicon-32x32.png"> <link rel="icon" type="image/png" sizes="16x16" href="https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/images/favicon-16x16.png"> <link rel="manifest" href="https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/images/site.webmanifest"> <link rel="mask-icon" href="https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/images/safari-pinned-tab.svg" color="#ffffff"> <link rel="shortcut icon" href="https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/images/favicon.ico"> <meta name="msapplication-TileColor" content="#ffffff"> <meta name="msapplication-config" content="https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/images/browserconfig.xml"> <meta name="theme-color" content="#ffffff"> <style> :root { --colorTextPrimary: #000000; --colorPrimary: #00857C; --colorPrimaryLight: #6ECEB2; --colorPrimaryDark: #005C55; --colorPrimaryDarkBlue: #0C2340; --colorSecondaryLime: #BFED33; --colorSecondaryLemon: #FFF063; --colorSecondaryPastelBlue: #69B8F7; --colorSecondaryVistaBlue: #688CE8; --colorSecondaryRichBlue: #5450E4; --colorBlack: #000000; --colorWhite: #FFFFFF; --colorOffWhite: #F7F7F7; --colorGray: #757575; --colorWarning: #FE0000; --colorSuccess: #029A01; --colorInfo: #1058A4; --colorGrayHRTwenty: #75757533; --colorGrayHRTen: #7575751a; } </style> </head> <body class="page-template-default page page-id-637469 no-sidebar"> <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-M74WZDM&user%5Brole%5D=visitor&user%5BisLoggedIn%5D=0&" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 0 0" width="0" height="0" focusable="false" role="none" style="visibility: hidden; position: absolute; left: -9999px; overflow: hidden;" ><defs><filter id="wp-duotone-dark-grayscale"><feColorMatrix color-interpolation-filters="sRGB" type="matrix" values=" .299 .587 .114 0 0 .299 .587 .114 0 0 .299 .587 .114 0 0 .299 .587 .114 0 0 " /><feComponentTransfer color-interpolation-filters="sRGB" ><feFuncR type="table" tableValues="0 0.49803921568627" /><feFuncG type="table" tableValues="0 0.49803921568627" /><feFuncB type="table" tableValues="0 0.49803921568627" /><feFuncA type="table" tableValues="1 1" /></feComponentTransfer><feComposite in2="SourceGraphic" operator="in" /></filter></defs></svg><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 0 0" width="0" height="0" focusable="false" role="none" style="visibility: hidden; position: absolute; left: -9999px; overflow: hidden;" ><defs><filter id="wp-duotone-grayscale"><feColorMatrix color-interpolation-filters="sRGB" type="matrix" values=" .299 .587 .114 0 0 .299 .587 .114 0 0 .299 .587 .114 0 0 .299 .587 .114 0 0 " /><feComponentTransfer color-interpolation-filters="sRGB" ><feFuncR type="table" tableValues="0 1" /><feFuncG type="table" tableValues="0 1" /><feFuncB type="table" tableValues="0 1" /><feFuncA type="table" tableValues="1 1" /></feComponentTransfer><feComposite in2="SourceGraphic" operator="in" /></filter></defs></svg><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 0 0" width="0" height="0" focusable="false" role="none" style="visibility: hidden; position: absolute; left: -9999px; overflow: hidden;" ><defs><filter id="wp-duotone-purple-yellow"><feColorMatrix color-interpolation-filters="sRGB" type="matrix" values=" .299 .587 .114 0 0 .299 .587 .114 0 0 .299 .587 .114 0 0 .299 .587 .114 0 0 " /><feComponentTransfer color-interpolation-filters="sRGB" ><feFuncR type="table" tableValues="0.54901960784314 0.98823529411765" /><feFuncG type="table" tableValues="0 1" /><feFuncB type="table" tableValues="0.71764705882353 0.25490196078431" /><feFuncA type="table" tableValues="1 1" /></feComponentTransfer><feComposite in2="SourceGraphic" operator="in" /></filter></defs></svg><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 0 0" width="0" height="0" focusable="false" role="none" style="visibility: hidden; position: absolute; left: -9999px; overflow: hidden;" ><defs><filter id="wp-duotone-blue-red"><feColorMatrix color-interpolation-filters="sRGB" type="matrix" values=" .299 .587 .114 0 0 .299 .587 .114 0 0 .299 .587 .114 0 0 .299 .587 .114 0 0 " /><feComponentTransfer color-interpolation-filters="sRGB" ><feFuncR type="table" tableValues="0 1" /><feFuncG type="table" tableValues="0 0.27843137254902" /><feFuncB type="table" tableValues="0.5921568627451 0.27843137254902" /><feFuncA type="table" tableValues="1 1" /></feComponentTransfer><feComposite in2="SourceGraphic" operator="in" /></filter></defs></svg><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 0 0" width="0" height="0" focusable="false" role="none" style="visibility: hidden; position: absolute; left: -9999px; overflow: hidden;" ><defs><filter id="wp-duotone-midnight"><feColorMatrix color-interpolation-filters="sRGB" type="matrix" values=" .299 .587 .114 0 0 .299 .587 .114 0 0 .299 .587 .114 0 0 .299 .587 .114 0 0 " /><feComponentTransfer color-interpolation-filters="sRGB" ><feFuncR type="table" tableValues="0 0" /><feFuncG type="table" tableValues="0 0.64705882352941" /><feFuncB type="table" tableValues="0 1" /><feFuncA type="table" tableValues="1 1" /></feComponentTransfer><feComposite in2="SourceGraphic" operator="in" /></filter></defs></svg><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 0 0" width="0" height="0" focusable="false" role="none" style="visibility: hidden; position: absolute; left: -9999px; overflow: hidden;" ><defs><filter id="wp-duotone-magenta-yellow"><feColorMatrix color-interpolation-filters="sRGB" type="matrix" values=" .299 .587 .114 0 0 .299 .587 .114 0 0 .299 .587 .114 0 0 .299 .587 .114 0 0 " /><feComponentTransfer color-interpolation-filters="sRGB" ><feFuncR type="table" tableValues="0.78039215686275 1" /><feFuncG type="table" tableValues="0 0.94901960784314" /><feFuncB type="table" tableValues="0.35294117647059 0.47058823529412" /><feFuncA type="table" tableValues="1 1" /></feComponentTransfer><feComposite in2="SourceGraphic" operator="in" /></filter></defs></svg><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 0 0" width="0" height="0" focusable="false" role="none" style="visibility: hidden; position: absolute; left: -9999px; overflow: hidden;" ><defs><filter id="wp-duotone-purple-green"><feColorMatrix color-interpolation-filters="sRGB" type="matrix" values=" .299 .587 .114 0 0 .299 .587 .114 0 0 .299 .587 .114 0 0 .299 .587 .114 0 0 " /><feComponentTransfer color-interpolation-filters="sRGB" ><feFuncR type="table" tableValues="0.65098039215686 0.40392156862745" /><feFuncG type="table" tableValues="0 1" /><feFuncB type="table" tableValues="0.44705882352941 0.4" /><feFuncA type="table" tableValues="1 1" /></feComponentTransfer><feComposite in2="SourceGraphic" operator="in" /></filter></defs></svg><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 0 0" width="0" height="0" focusable="false" role="none" style="visibility: hidden; position: absolute; left: -9999px; overflow: hidden;" ><defs><filter id="wp-duotone-blue-orange"><feColorMatrix color-interpolation-filters="sRGB" type="matrix" values=" .299 .587 .114 0 0 .299 .587 .114 0 0 .299 .587 .114 0 0 .299 .587 .114 0 0 " /><feComponentTransfer color-interpolation-filters="sRGB" ><feFuncR type="table" tableValues="0.098039215686275 1" /><feFuncG type="table" tableValues="0 0.66274509803922" /><feFuncB type="table" tableValues="0.84705882352941 0.41960784313725" /><feFuncA type="table" tableValues="1 1" /></feComponentTransfer><feComposite in2="SourceGraphic" operator="in" /></filter></defs></svg><div id="page" class="site"> <a class="skip-link screen-reader-text" href="#content">Skip to content</a> <header id="masthead" class="site-header"> <nav id="site-navigation" class="main-navigation"> <div class="wrapper header-wrapper"> <div class="site-branding"> <p class="site-title"> <a href="https://www.merck.com/" rel="home" title="Merck.com"> <img class="site-logo" src="https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/images/site-logo.svg" alt="Site logo" /> </a> </p> </div> <div id="mastheadMenu"> <button id="siteSearchToggle" class="btn" aria-controls="primary-search" aria-expanded="false"> <span class="menu-toggle-text-open"> <img src="https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/images/search-white.svg" alt="menu icon" /> <span>Search everything</span> </span> <span class="menu-toggle-text-close"> <img class="lazyload" loading="lazy" data-src="https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/images/close.svg" alt="close icon" />Close </span> </button> <button id="siteNavigationToggle" class="btn menu-toggle" aria-controls="primary-menu" aria-expanded="false"> <span class="menu-toggle-text-open"> <img src="https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/images/burger-white.svg" alt="menu icon" />Menu </span> <span class="menu-toggle-text-close"> <img class="lazyload" loading="lazy" data-src="https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/images/close.svg" alt="close icon" />Close </span> </button> </div> </div> </nav> <nav id="site-menu" class="main-menu"> <div class="wrapper"> <a class="menucrumb" href="#">Main menu</a> <div class="menu-main-menu-container"><ul id="menuMain" class="menu-main level-0 menu-open"><li id="menu-item-666469" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-666469"><a href="https://www.merck.com/company-overview/">Company</a> <ul class="level-1"> <li id="menu-item-666471" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-666471"><a href="https://www.merck.com/company-overview/">Who we are</a></li> <li id="menu-item-3640275" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3640275"><a href="https://www.merck.com/what-we-do/">What we do</a></li> <li id="menu-item-667007" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-667007"><a href="https://www.merck.com/stories/">Stories</a></li> <li id="menu-item-2773656" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2773656"><a href="https://www.merck.com/company-overview/history/">History</a></li> <li id="menu-item-666473" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-666473"><a href="https://www.merck.com/company-overview/sustainability/">Sustainability</a> <ul class="level-2"> <li id="menu-item-2388650" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2388650"><a href="https://www.merck.com/company-overview/sustainability/">Sustainability overview</a></li> <li id="menu-item-2388653" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2388653"><a href="https://www.merck.com/company-overview/sustainability/philanthropy/">Philanthropy</a></li> <li id="menu-item-2796573" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2796573"><a href="https://www.merck.com/company-overview/sustainability/merck-medical-outreach-program/">Merck Medical Outreach Program</a></li> <li id="menu-item-2798027" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2798027"><a href="https://www.merck.com/company-overview/sustainability/impact-investing/">Impact Venture Fund</a></li> <li id="menu-item-2804132" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2804132"><a href="https://www.merck.com/company-overview/sustainability/transparency-disclosures/">Transparency disclosures</a></li> <li id="menu-item-2808199" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2808199"><a href="https://www.merck.com/company-overview/sustainability/sustainability-resources/">Sustainability resources</a></li> </ul> </li> <li id="menu-item-666474" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-666474"><a href="https://www.merck.com/company-overview/leadership/">Leadership</a> <ul class="level-2"> <li id="menu-item-666483" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-666483"><a href="https://www.merck.com/company-overview/leadership/">Leadership overview</a></li> <li id="menu-item-666484" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-666484"><a href="https://www.merck.com/company-overview/leadership/board-of-directors/">Board of directors</a></li> <li id="menu-item-666485" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-666485"><a href="https://www.merck.com/company-overview/leadership/executive-team/">Executive team</a></li> </ul> </li> <li id="menu-item-666475" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-666475"><a href="https://www.merck.com/company-overview/culture-and-values/">Culture & values</a> <ul class="level-2"> <li id="menu-item-666488" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-666488"><a href="https://www.merck.com/company-overview/culture-and-values/">Culture & values overview</a></li> <li id="menu-item-666489" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-666489"><a href="https://www.merck.com/company-overview/culture-and-values/code-of-conduct/">Code of conduct, ethics & compliance</a></li> </ul> </li> <li id="menu-item-666476" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-666476"><a href="https://www.merck.com/company-overview/diversity-and-inclusion/">Diversity & inclusion</a></li> <li id="menu-item-666477" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-666477"><a href="https://www.merck.com/company-overview/policies-and-positions/">Policies & positions</a></li> <li id="menu-item-666479" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-666479"><a href="https://www.merck.com/company-overview/suppliers/">Suppliers</a> <ul class="level-2"> <li id="menu-item-667793" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-667793"><a href="https://www.merck.com/company-overview/suppliers/">Suppliers overview</a></li> <li id="menu-item-667792" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-667792"><a target="_blank" rel="noopener" href="https://msd.quantumsds.com/">Supplier registration</a></li> <li id="menu-item-3601080" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-3601080"><a href="https://suppliers.msd.com/">Supplier help for Ariba</a></li> </ul> </li> </ul> </li> <li id="menu-item-14540" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-14540"><a href="https://www.merck.com/research/">Research</a> <ul class="level-1"> <li id="menu-item-666505" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-666505"><a href="https://www.merck.com/research/">Research overview</a></li> <li id="menu-item-666527" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children menu-item-666527"><a target="_blank" rel="noopener" href="#">Areas of focus</a> <ul class="level-2"> <li id="menu-item-666509" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-666509"><a href="https://www.merck.com/research/oncology/">Oncology</a></li> <li id="menu-item-666507" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-666507"><a href="https://www.merck.com/research/vaccines/">Vaccines</a></li> <li id="menu-item-666508" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-666508"><a href="https://www.merck.com/research/infectious-diseases/">Infectious diseases</a></li> <li id="menu-item-666510" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-666510"><a href="https://www.merck.com/research/cardio-metabolic-disorders/">Cardio-metabolic disorders</a></li> <li id="menu-item-3641210" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3641210"><a href="https://www.merck.com/research/immunology/">Immunology</a></li> <li id="menu-item-3646721" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3646721"><a href="https://www.merck.com/research/neuroscience/">Neuroscience</a></li> </ul> </li> <li id="menu-item-666511" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-666511"><a href="https://www.merck.com/research/product-pipeline/">Pipeline</a></li> <li id="menu-item-3650166" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3650166"><a href="https://www.merck.com/company-overview/business-development-licensing/">Business development & licensing</a></li> <li id="menu-item-3650167" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3650167"><a href="https://www.merck.com/research/publications/">Publications</a></li> <li id="menu-item-3636441" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3636441"><a href="https://www.merck.com/research/meet-our-scientists/">Meet our scientists</a></li> <li id="menu-item-666512" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-666512"><a href="https://www.merck.com/research/discovery-development/">How we invent</a></li> <li id="menu-item-3600289" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3600289"><a href="https://www.merck.com/research/rd-locations/">R&D locations</a></li> <li id="menu-item-3624062" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-3624062"><a href="https://www.merck.com/research/clinical-trials/">Clinical trials</a> <ul class="level-2"> <li id="menu-item-3624063" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3624063"><a href="https://www.merck.com/research/clinical-trials/">Clinical trials overview</a></li> <li id="menu-item-666672" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-666672"><a target="_blank" rel="noopener" href="https://www.merckclinicaltrials.com/">Find a trial</a></li> <li id="menu-item-2805336" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2805336"><a href="https://www.merck.com/research/diversity-in-clinical-trials/">Diversity in clinical trials</a></li> </ul> </li> </ul> </li> <li id="menu-item-3600254" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-3600254"><a href="https://www.merck.com/products/">Products</a> <ul class="level-1"> <li id="menu-item-666506" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-666506"><a href="https://www.merck.com/products/">Products list</a></li> <li id="menu-item-3607502" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-3607502"><a href="https://www.merck.com/products/safety-data-sheets/">Safety data sheets</a></li> <li id="menu-item-666515" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-666515"><a href="https://www.merck.com/products/patent/">Product patents</a></li> <li id="menu-item-3624065" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3624065"><a href="https://www.merck.com/products/distributors/">Merck authorized distributors</a></li> </ul> </li> <li id="menu-item-628574" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-628574"><a href="https://www.merck.com/patients/">Patients</a> <ul class="level-1"> <li id="menu-item-2784133" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2784133"><a href="https://www.merck.com/patients/">Patients overview</a></li> <li id="menu-item-3648543" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3648543"><a href="https://www.merck.com/patients/patient-support-programs/">Patient support programs</a></li> <li id="menu-item-3648542" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3648542"><a href="https://www.merck.com/patients/play-an-active-role-in-your-health-care/">Play an active role in your health care</a></li> </ul> </li> <li id="menu-item-666493" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children menu-item-666493"><a target="_blank" rel="noopener" href="https://jobs.merck.com/us/en">Careers</a> <ul class="level-1"> <li id="menu-item-696146" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-696146"><a target="_blank" rel="noopener" href="https://jobs.merck.com/us/en/home">Careers</a></li> <li id="menu-item-696145" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-696145"><a target="_blank" rel="noopener" href="https://jobs.merck.com/us/en/search-results">Search jobs</a></li> <li id="menu-item-696144" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children menu-item-696144"><a href="#">Our divisions</a> <ul class="level-2"> <li id="menu-item-696175" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-696175"><a target="_blank" rel="noopener" href="https://jobs.merck.com/us/en/research-laboratories">Research & development</a></li> <li id="menu-item-696174" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-696174"><a target="_blank" rel="noopener" href="https://jobs.merck.com/us/en/manufacturing">Manufacturing & supply</a></li> <li id="menu-item-696172" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-696172"><a target="_blank" rel="noopener" href="https://jobs.merck.com/us/en/human-health">Human Health</a></li> <li id="menu-item-696171" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-696171"><a target="_blank" rel="noopener" href="https://jobs.merck.com/us/en/animal-health">Animal Health</a></li> <li id="menu-item-696164" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-696164"><a target="_blank" rel="noopener" href="https://jobs.merck.com/us/en/global-support-functions">Global support functions</a></li> </ul> </li> <li id="menu-item-696141" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-696141"><a target="_blank" rel="noopener" href="https://jobs.merck.com/us/en/veteran-opportunities">Veterans</a></li> <li id="menu-item-696140" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-696140"><a target="_blank" rel="noopener" href="https://jobs.merck.com/us/en/student-opportunities">Student opportunities</a></li> <li id="menu-item-696139" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-696139"><a target="_blank" rel="noopener" href="https://jobs.merck.com/us/en/compensation-and-benefits">Compensation & benefits</a></li> <li id="menu-item-696138" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-696138"><a target="_blank" rel="noopener" href="https://jobs.merck.com/us/en/hiring-process">How we hire</a></li> <li id="menu-item-696137" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-696137"><a target="_blank" rel="noopener" href="https://jobs.msd.com/gb/en/home">MSD Careers</a></li> <li id="menu-item-696136" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-696136"><a target="_blank" rel="noopener" href="https://jobs.merck.com/us/en/events">Events</a></li> <li id="menu-item-696134" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-696134"><a target="_blank" rel="noopener" href="https://jobs.merck.com/us/en/jointalentcommunity?applyType=JTC">Talent community</a></li> </ul> </li> <li id="menu-item-137022" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-137022"><a href="https://www.merck.com/investor-relations/">Investors</a> <ul class="level-1"> <li id="menu-item-223087" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-223087"><a href="https://www.merck.com/investor-relations/">Investors overview</a></li> <li id="menu-item-220674" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-220674"><a href="https://www.merck.com/investor-relations/events-and-presentations/">Events & presentations</a></li> <li id="menu-item-220673" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-220673"><a href="https://www.merck.com/investor-relations/financial-information/">Financial information</a> <ul class="level-2"> <li id="menu-item-666494" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-666494"><a href="https://www.merck.com/investor-relations/financial-information/">Financial information overview</a></li> <li id="menu-item-666495" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-666495"><a href="https://www.merck.com/investor-relations/financial-information/sec-filings/">SEC filings</a></li> </ul> </li> <li id="menu-item-220672" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-220672"><a href="https://www.merck.com/investor-relations/stock-info/">Stock information</a></li> <li id="menu-item-220671" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-220671"><a href="https://www.merck.com/investor-relations/investor-resources/">Investor resources</a> <ul class="level-2"> <li id="menu-item-666496" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-666496"><a href="https://www.merck.com/investor-relations/investor-resources/">Investor resources overview</a></li> <li id="menu-item-2793045" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2793045"><a href="https://www.merck.com/investor-relations/organon-resources/">Organon resources</a></li> </ul> </li> </ul> </li> <li id="menu-item-3609026" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-3609026"><a href="https://www.merck.com/media/">Media</a> <ul class="level-1"> <li id="menu-item-3609027" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3609027"><a href="https://www.merck.com/media/">Media overview</a></li> <li id="menu-item-650878" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-650878"><a href="https://www.merck.com/media/news/">News releases</a></li> <li id="menu-item-650884" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-650884"><a href="https://www.merck.com/media/company-statements/">Company statements</a></li> <li id="menu-item-3609031" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3609031"><a href="https://www.merck.com/media/media-library/">Media library & contacts</a></li> <li id="menu-item-3641978" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3641978"><a href="https://www.merck.com/media/company-fact-sheet/">Company fact sheet</a></li> </ul> </li> </ul></div> <div class="side-section"> <div class="image"> <picture> <source media="(max-width: 1279px)" data-srcset="https://www.merck.com/wp-content/uploads/sites/124/2020/03/B2-We-are-driven-by-a-shared-purpose-that-is-to_-Invent-for-Life.jpg?resize=370,418"> <source media="(min-width: 1280px)" data-srcset="https://www.merck.com/wp-content/uploads/sites/124/2020/03/B2-We-are-driven-by-a-shared-purpose-that-is-to_-Invent-for-Life.jpg?resize=486,432"> <img class="lazyload" loading="lazy" data-src="https://www.merck.com/wp-content/uploads/sites/124/2020/03/B2-We-are-driven-by-a-shared-purpose-that-is-to_-Invent-for-Life.jpg?resize=486,432" alt="Scientist reviewing test tubes"> </picture> </div> <div class="tagline"></div> <h4>Who we are</h4> <a class="btn" href="https://www.merck.com/company-overview/" title="Learn more" target="">Learn more</a> </div> <div class="bottom-section"> <a class="btn" href="https://www.merck.com/contact-us/">Contact us</a> <p> <a href="https://www.msd.com/contact-us/worldwide-locations/" target="_blank" rel="noopener">Worldwide</a> <small>Countries outside of the United States and Canada.</small> </p> </div> </div> </nav> <form id="site-search" role="search" method="get" class="search-form" action="https://www.merck.com" autocomplete="off"> <h1>What can we help you find?</h1> <div id="site-search-box" class="input-box autocomplete"> <span class="screen-reader-text">Search for:</span> <input type="text" class="search-field autocomplete-input" placeholder="Search here …" value="" name="s" aria-label="Search site"> <button type="submit" class="submit search-submit"></button> </div> <div id="search_suggestion_result"></div> </form> <script> theme_directory = "https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme"; </script> </header> <div id="content" class="site-content"> <div id="primary" class="content-area"> <main id="main" class="site-main"> <article id="post-637469" class="post-637469 page type-page status-publish hentry"> <div class="entry-content"> <h1 class="mt-2 wp-block-heading">Terms of Use</h1> <div class="wp-block-columns wp-col-tablet-full-width is-layout-flex wp-container-3"> <div class="wp-block-column is-layout-flow" style="flex-basis:60%"> <p>These terms were last revised on May 1, 2022.</p> <p>This website is maintained by Merck Sharp & Dohme LLC, a subsidiary of Merck & Co., Inc., Rahway, New Jersey, USA (“Merck”) and is intended for use by residents of the U.S. and its territories who are 18 years of age or older.</p> <p>By using this website, you agree to be bound by, and to comply with, the terms of use on this page (“Terms of Use”). Merck reserves the right to change the Terms of Use from time to time, as necessary, and will provide notice, on this page, of any such changes, including the date they became effective. You may access this page at any time through the Terms of Use link at the bottom of each page on this website.</p> <p>Nothing on this website should be construed as the giving of advice or the making of a recommendation regarding any decision or action related to your health or the health of others.  If you are a patient, you should consult a doctor or other qualified health care professional regarding any questions you have about your health or before making any treatment decisions. If you are a doctor or other qualified health care professional, you should not allow the content of this website to substitute for your own medical judgment, which you should exercise in evaluating the information on this website.</p> <p>While it has used reasonable efforts to ensure that the information on this website is accurate, complete, and current, Merck expressly disclaims any warranty or representation regarding the accuracy, completeness, or currency of such information. THE INFORMATION ON THIS WEBSITE IS PROVIDED “AS IS,” WITHOUT A WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.</p> <p>On this website Merck may collect, through registration processes or other means, personal information about you. Please refer to Merck’s Global Internet <a href="https://www.merck.com/about/how-we-operate/privacy/internet-privacy-policy.html">Privacy Policy</a> for details about how we protect your personal information as well as Merck’s <a href="https://www.msdprivacy.com/us/en/cookie-privacy-policy/">Global Online Tracking Policy</a> regarding the types of cookies and similar technologies that our websites, web applications and other online services use and how you can control cookies on your computer or mobile device. You are responsible for the accuracy of any personal information about you that you provide to Merck through this website.</p> <p>Except for information covered by our privacy policy, any communication or materials you transmit to or through the website, including data, comments, questions, suggestions, ideas, concepts, know-how, techniques, or the like, shall become the property of Merck. Merck shall be free to use, disclose, reproduce, or distribute any such communications or materials without limitation of any kind.</p> <p>This website may contain information brought to you by third parties or through links to other Internet websites. Notice of information or links of this kind is provided throughout the website. Merck does not control nor assume any responsibility for the information provided by third parties or the content of other Internet websites to which we provide links.</p> <p>This website may include “forward-looking statements” within the meaning of the safe harbor provisions of the U.S. Private Securities Litigation Reform Act of 1995. Merck undertakes no obligation to publicly update any forward-looking statement, whether as a result of new information, future events, or otherwise. Additional factors that could cause results to differ materially from those described in the forward-looking statements can be found in Merck’s most recent Annual Report on Form 10-K and the company’s other filings with the Securities and Exchange Commission (SEC) available at <a href="http://www.sec.gov/" target="_blank" rel="noreferrer noopener">www.sec.gov</a>.</p> <p>You should assume that all trademarks, logos, designs, slogans, and trade dress appearing on this website, whether or not appearing in large print, italics, or with the trademark symbol, are owned by Merck or its affiliate companies, or are used under license. This website may also contain or reference patents, proprietary information, technologies, products, processes, or other proprietary rights of Merck and/or other parties. No license to, or right in, any such trademarks, patents, trade secrets, technologies, products, processes, and other proprietary rights of Merck and/or other parties is granted to, or conferred upon, you.</p> <p>You may not distribute, modify, transmit, reuse, repost, or use the content of the website for public or commercial purposes, including the text, images, audio, or video, without the written permission of Merck. You should assume that everything you see or read on this website is copyrighted unless otherwise noted and may not be used, except as provided in the Terms of Use or in the text on the website, without the written permission of Merck. Merck neither warrants nor represents that your use of materials displayed on the website will not infringe rights of third parties not owned by, or affiliated with, Merck.</p> <p>Pursuant to Section 230 of the federal Communications Decency Act, providers of interactive computer services shall not be treated as the publisher or speaker of any information provided by another information content provider. Although Merck may from time to time monitor or review discussions, chats, postings, transmissions, bulletin boards, and the like on the website, if any, Merck is under no obligation to do so and assumes no responsibility or liability arising from the content of any such Web pages or utilities nor for any third party’s error, defamation, libel, slander, omission, falsehood, obscenity, pornography, profanity, danger, or inaccuracy contained in any information within such pages or utilities on the website. You are prohibited from posting or transmitting any unlawful, threatening, libelous, defamatory, obscene, scandalous, inflammatory, pornographic, or profane material or any material that could constitute or encourage conduct that would be considered a criminal offense, give rise to civil liability, or otherwise violate any law.</p> <p>Merck reserves the right, if you violate the Terms of Use, to suspend or terminate any account you have created on this website.</p> </div> <div class="wp-block-column is-layout-flow"></div> </div> </div> </article> </main> </div> </div> <div class="related-content-container"> <h2>Related links</h2> <div class="related-content-section"> <div class="related-content-item"> <a href="https://www.merck.com/forward-looking-statement/" target="" title="Forward-looking statement"> <div class="related-content-item-image-contianer"> <picture> <source media="(max-width: 767px)" srcset="https://www.merck.com/wp-content/uploads/sites/124/2020/06/Lab-Equipment-RY-3D-technology-3D-printing-Closeup-of-air-sac-0500-1-HI_34_high.jpg?resize=321,196"> <source media="(min-width: 768px) and (max-width: 1279px)" srcset="https://www.merck.com/wp-content/uploads/sites/124/2020/06/Lab-Equipment-RY-3D-technology-3D-printing-Closeup-of-air-sac-0500-1-HI_34_high.jpg?resize=314,280"> <source media="(min-width: 1280px)" srcset="https://www.merck.com/wp-content/uploads/sites/124/2020/06/Lab-Equipment-RY-3D-technology-3D-printing-Closeup-of-air-sac-0500-1-HI_34_high.jpg?resize=404,268"> <img class="lazyload" loading="lazy" data-src="https://www.merck.com/wp-content/uploads/sites/124/2020/06/Lab-Equipment-RY-3D-technology-3D-printing-Closeup-of-air-sac-0500-1-HI_34_high.jpg?resize=404,268" alt="related content image #1"> </picture> </div> <div class="related-content-content-container"> <p><strong>Forward-looking statement</strong></p> <p class="realted-content-excerpt">Read our forward-looking statement</p> </div> </a> </div> <div class="related-content-item"> <a href="https://www.msdprivacy.com/us/en/cookie-privacy-policy.html" target="_blank" title="Cookie policy"> <div class="related-content-item-image-contianer"> <picture> <source media="(max-width: 767px)" srcset="https://www.merck.com/wp-content/uploads/sites/124/2020/04/SSF.jpg?resize=321,196"> <source media="(min-width: 768px) and (max-width: 1279px)" srcset="https://www.merck.com/wp-content/uploads/sites/124/2020/04/SSF.jpg?resize=314,280"> <source media="(min-width: 1280px)" srcset="https://www.merck.com/wp-content/uploads/sites/124/2020/04/SSF.jpg?resize=404,268"> <img class="lazyload" loading="lazy" data-src="https://www.merck.com/wp-content/uploads/sites/124/2020/04/SSF.jpg?resize=404,268" alt="related content image #2"> </picture> </div> <div class="related-content-content-container"> <p><strong>Cookie policy</strong></p> <p class="realted-content-excerpt">Read our cookie policy</p> </div> </a> </div> <div class="related-content-item"> <a href="http://msdprivacy.com" target="" title="Privacy"> <div class="related-content-item-image-contianer"> <picture> <source media="(max-width: 767px)" srcset="https://www.merck.com/wp-content/uploads/sites/124/2020/05/hu93-ftQ.jpeg?resize=321,196"> <source media="(min-width: 768px) and (max-width: 1279px)" srcset="https://www.merck.com/wp-content/uploads/sites/124/2020/05/hu93-ftQ.jpeg?resize=314,280"> <source media="(min-width: 1280px)" srcset="https://www.merck.com/wp-content/uploads/sites/124/2020/05/hu93-ftQ.jpeg?resize=404,268"> <img class="lazyload" loading="lazy" data-src="https://www.merck.com/wp-content/uploads/sites/124/2020/05/hu93-ftQ.jpeg?resize=404,268" alt="related content image #3"> </picture> </div> <div class="related-content-content-container"> <p><strong>Privacy</strong></p> <p class="realted-content-excerpt">Our privacy program begins with trust</p> </div> </a> </div> </div> </div> <footer id="footerMain" class="footer"> <div id="footerSocial"> <div class="wrapper"> <h3>Connect with us on social</h3> <div class="social-icons"> <a href="https://twitter.com/Merck" target="_blank"> <img class="lazyload" loading="lazy" data-src="https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/images/twitter-brands.svg" alt="social icon" /> </a> <a href="https://www.facebook.com/MerckInvents" target="_blank"> <img class="lazyload" loading="lazy" data-src="https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/images/facebook-f-brands.svg" alt="social icon" /> </a> <a href="https://www.linkedin.com/company/merck" target="_blank"> <img class="lazyload" loading="lazy" data-src="https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/images/linkedin-brands.svg" alt="social icon" /> </a> <a href="https://www.instagram.com/merck" target="_blank"> <img class="lazyload" loading="lazy" data-src="https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/images/instagram-brands.svg" alt="social icon" /> </a> <a href="https://www.youtube.com/user/Merck" target="_blank"> <img class="lazyload" loading="lazy" data-src="https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/images/youtube-brands.svg" alt="social icon" /> </a> </div> </div> </div> <div class="wrapper"> <div id="footerPrograms"> <div class="column col-one"> <input type="checkbox" id="columnOne" class="checkbox-toggle"> <label for="columnOne" class="column-header">For patients and health care professionals</label> <ul> <li> <a href="https://www.merckhelps.com/" target="_blank" rel="noopener">MerckHelps</a> <br /> Merck Patient Assistance Program provides certain Merck medicines and adult vaccines for free to qualified patients </li> <li> <a href="https://www.merckaccessprogram.com/" target="_blank" rel="noopener">Merck Access Program</a> <br /> Information about insurance coverage and financial assistance options for eligible patients </li> <li> <a href="https://www.merckclinicaltrials.com/" target="_blank" rel="noopener">Clinical trials</a> <br /> Information about insurance coverage and financial assistance options for eligible patients </li> <li> <a href="https://www.merckmanuals.com/" target="_blank" rel="noopener">Merck Manuals</a> <br /> Medical information source covering thousands of topics in all fields of medicine </li> </ul> </div> <div class="column col-two"> <input type="checkbox" id="columnTwo" class="checkbox-toggle"> <label for="columnTwo" class="column-header">Sustainability</label> <ul> <li> <a href="https://www.merck.com/company-overview/sustainability/" target="_blank" rel="noopener">Impact Report</a> <br /> Reporting on our commitment to operating responsibly to benefit society </li> <li> <a href="https://www.merckformothers.com/" target="_blank" rel="noopener">Merck for Mothers</a> <br /> An initiative to create a world where no woman has to die giving life </li> </ul> </div> <div class="column col-three"> <input type="checkbox" id="columnThree" class="checkbox-toggle"> <label for="columnThree" class="column-header">About Merck</label> <ul> <li> <a href="https://www.merck-animal-health.com/" target="_blank" rel="noopener">Merck Animal Health</a> <br /> The global animal health business unit of Merck </li> <li> <a href="https://horizonblue.sapphiremrfhub.com/tocs/current/merck-co-inc" target="_blank" rel="noopener">Health Plan - Transparency in Coverage</a> <br /> In compliance with the Consolidated Appropriations Act, learn more about our health plan’s pricing information </li> <li> <a href="https://www.merck.com/contact-us/" target="_blank" rel="noopener">Contact Us</a> <br /> If you have a question or need more information about us, find out who you should contact. </li> </ul> </div> </div> <div id="footerCopyrightLogos"> <div id="footerCopyright"> <div class="menu-footer-menu-container"><ul id="menuFooter" class="footer-links"><li id="menu-item-674051" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-674051"><a href="https://www.merck.com/forward-looking-statement/">Forward-looking statement</a></li><li id="menu-item-137027" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-137027"><a target="_blank" rel="noopener" href="https://www.msdprivacy.com/us/en/cookie-privacy-policy.html">Cookie policy</a></li><li class="menu-item"><button id="menu-item-763862" class="ot-sdk-show-settings menu-item menu-item-type-custom menu-item-object-custom menu-item-763862"><a href="#">Cookie Preferences</a></button></li><li id="menu-item-137025" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-137025"><a target="_blank" rel="noopener" href="https://www.msdprivacy.com/us/en/">Privacy</a></li><li id="menu-item-137028" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-137028"><a target="_blank" rel="noopener" href="https://www.msdprivacy.com/us/en/transparency-and-privacy.html">Transparency disclosure</a></li><li id="menu-item-669400" class="menu-item menu-item-type-post_type menu-item-object-page current-menu-item page_item page-item-637469 current_page_item menu-item-669400 current "><a href="https://www.merck.com/terms-of-use/" aria-current="page">Terms of use</a></li><li id="menu-item-3374425" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-3374425"><a href="https://www.msdaccessibility.com/">Accessibility</a></li><li id="menu-item-669401" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-669401"><a href="https://www.merck.com/sitemap/">Sitemap</a></li><li id="menu-item-3646896" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-3646896"><a href="https://www.msdprivacy.com/us/en/chd-policy/">Consumer Health Data Privacy Policy</a></li><li id="menu-item-3646897" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-3646897"><a href="https://dsr.msd.com/DSR/United_States/English/">Your Privacy Choices <svg width="30" height="14" viewBox="0 0 30 14" fill="none" xmlns="http://www.w3.org/2000/svg"> <path d="M22.1 7L24.2 4.8C24.4 4.6 24.4 4.2 24.2 4C24 3.8 23.6 3.8 23.4 4L21.2 6.2L19 4C18.8 3.8 18.4 3.8 18.2 4C18 4.2 18 4.6 18.2 4.8L20.4 7L18.3 9.2C18.1 9.4 18.1 9.8 18.3 10C18.5 10.2 18.9 10.2 19.1 10L21.3 7.8L23.5 10C23.7 10.2 24.1 10.2 24.3 10C24.5 9.8 24.5 9.4 24.3 9.2L22.1 7Z" fill="white"/> <path d="M22.2 0H7C3.1 0 0 3.1 0 7C0 10.9 3.1 14 7 14H22.2C26.1 14 29.2 10.9 29.2 7C29.2 3.1 26 0 22.2 0ZM13.8 12.8H7C3.8 12.8 1.2 10.2 1.2 7C1.2 3.8 3.8 1.2 7 1.2H16.9L13.8 12.8ZM24.3 10C24.1 10.2 23.7 10.2 23.5 10L21.3 7.8L19.1 10C18.9 10.2 18.5 10.2 18.3 10C18.1 9.8 18.1 9.4 18.3 9.2L20.4 7L18.2 4.8C18 4.6 18 4.2 18.2 4C18.4 3.8 18.8 3.8 19 4L21.2 6.2L23.4 4C23.6 3.8 24 3.8 24.2 4C24.4 4.2 24.4 4.6 24.2 4.8L22.1 7L24.3 9.2C24.5 9.4 24.5 9.8 24.3 10Z" fill="#00857C"/> <path d="M12.3 4.1C12.5 4.3 12.6 4.7 12.4 4.9L8.2 9.8C8.1 9.9 8 10 7.9 10C7.7 10.1 7.4 10.1 7.2 9.9L5 7.7C4.8 7.5 4.8 7.1 5 6.9C5.2 6.7 5.6 6.7 5.8 6.9L7.6 8.6L11.4 4.1C11.6 3.9 12 3.9 12.3 4.1Z" fill="#00857C"/> </svg></a></li></ul></div> <small> Copyright © 2024 Merck & Co., Inc., Rahway, NJ USA, and its affiliates. All rights reserved. | This site is intended only for residents of the United States and Canada. </small> </div> <div id="footerLogos"> <a href="https://www.essentialaccessibility.com/merck/?utm_source=merckhomepage&utm_medium=iconlarge&utm_term=eachannelpage&utm_content=header&utm_campaign=merck" target="_blank" rel="noopener"> <img class="lazyload" loading="lazy" data-src="https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/images/accessibility.png" alt="Accessibility icon" /> </a>  <a href="//privacy.truste.com/privacy-seal/validation?rid= " target="_blank" rel="noopener"> <img style="border: none" class="lazyload" loading="lazy" data-src="//privacy-policy.truste.com/privacy-seal/seal?rid= " alt="View Privacy Shield Verification Status" /> </a> <a href="//privacy.truste.com/privacy-seal/validation?rid= " target="_blank" rel="noopener"> <img style="border: none" class="lazyload" loading="lazy" data-src="//privacy-policy.truste.com/privacy-seal/seal?rid= " alt="View APEC CBPR Privacy Certification Status" /> </a> </div> </div> </div> </footer> </div> <div id="fowardGuidanceModel" class="popup" style="display: none;"> <div class="popup-wrapper"> <div class="popup-content foward-guide-modal-content"> <h3>Forward-looking statement of Merck & Co., Inc., Rahway, N.J., USA</h3> <div class="forward-guidance-content"> <p>This website of Merck & Co., Inc., Rahway, N.J., USA (the “company”) includes “forward-looking statements” within the meaning of the safe harbor provisions of the U.S. Private Securities Litigation Reform Act of 1995. These statements are based upon the current beliefs and expectations of the company’s management and are subject to significant risks and uncertainties. There can be no guarantees with respect to pipeline candidates that the candidates will receive the necessary regulatory approvals or that they will prove to be commercially successful. If underlying assumptions prove inaccurate or risks or uncertainties materialize, actual results may differ materially from those set forth in the forward-looking statements. <br><br> <br>Risks and uncertainties include but are not limited to, general industry conditions and competition; general economic factors, including interest rate and currency exchange rate fluctuations; the impact of pharmaceutical industry regulation and health care legislation in the United States and internationally; global trends toward health care cost containment; technological advances, new products and patents attained by competitors; challenges inherent in new product development, including obtaining regulatory approval; the company’s ability to accurately predict future market conditions; manufacturing difficulties or delays; financial instability of international economies and sovereign risk; dependence on the effectiveness of the company’s patents and other protections for innovative products; and the exposure to litigation, including patent litigation, and/or regulatory actions.<br> <br>The company undertakes no obligation to publicly update any forward-looking statement, whether as a result of new information, future events or otherwise. Additional factors that could cause results to differ materially from those described in the forward-looking statements can be found in the company’s Annual Report on Form 10-K for the year ended December 31, 2023 and the company’s other filings with the Securities and Exchange Commission (SEC) available at the SEC’s Internet site (www.sec.gov).<br> <b>No Duty to Update</b><br> The information contained in this website was current as of the date presented. The company assumes no duty to update the information to reflect subsequent developments. Consequently, the company will not update the information contained in the website and investors should not rely upon the information as current or accurate after the presentation date. </p> </div> <div class="btn-container text-center"> <a href="https://www.merck.com/" class="btn tertiary">Decline</a> <a href="javascript:void()" class="btn tertiary negative" title="" onclick="sessionStorage.setItem('guidance-accepted', JSON.stringify(true)); document.getElementById('fowardGuidanceModel').style.display = 'none';">Accept</a> </div> </div> </div> </div> <link rel='stylesheet' id='related-content-styles-css' href='https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/css/related-content-section.min.css?ver=6.2.6' media='all' /> <style id='core-block-supports-inline-css'> .wp-container-3.wp-container-3{flex-wrap:nowrap;} </style> <script defer="defer" src='https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/js/plugins.min.js?ver=20190301' id='Mco-plugins-js'></script> <script defer="defer" src='https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/js/scripts.min.js?ver=20190301' id='Mco-scripts-js'></script> <script defer="defer" src='https://www.merck.com/wp-content/themes/cex-wpvip-mhh-merck-mco-theme/js/search_suggestions.min.js?ver=1732438241' id='search_suggestion-js'></script> <div id="externalLinkModal" class="popup" style="display: none;"> <div class="popup-wrapper"> <div class="popup-content foward-guide-modal-content"> <h3 id="externalLinkModalTitle">You are leaving Merck.com</h3> <div class="forward-guidance-content"> <p id="externalLinkModalMessage" style="max-width: 31.25rem;"></p> </div> <div class="btn-container text-center"> <button class="btn tertiary" id="externalLinkCancelBtn" title="" onclick="document.getElementById('externalLinkModal').style.display = 'none';">Cancel </button> <a href="" target="_blank" class="btn tertiary negative" id="externalLinkModalBtn">Continue</a> </div> </div> </div> </div> <script type="text/javascript"> let whitelist_domains = ".local,merck-go-vip,merck-develop.go-vip.co/merck,merck-preprod.go-vip.co/merck,vip-msd.com/merck,merck.com,q4cdn.com,cloudfront.net,wpvip-safety-data-sheets.s3.amazonaws.com,google.com/calendar,outlook.live.com/calendar,calendar.yahoo.com,merckhelps.com,merckaccessprogram.com,merckmanuals.com,merckconnect.com,merckclinicaltrials.com,merck-animal-health.com,merckformothers.com,mrknewsroom.com,facebook.com,twitter.com,linkedin.com,mailto:,javascript:,tel:" let whitelist_domains_array = whitelist_domains.split( ',' ) whitelist_domains_array.unshift( document.location.hostname ) // External Links try { let links = Array.from( document.links ) for ( let i = 0; i < links.length; i ++ ) { let link = links[i] if ( ! shouldWhitelistDomain( link.href ) ) { link.addEventListener( 'click', function ( e ) { e.preventDefault() let modal_data = getLinkContent( link.href ) document.getElementById( 'externalLinkModalTitle' ).textContent = modal_data.title document.getElementById( 'externalLinkModalMessage' ).textContent = modal_data.message document.getElementById( 'externalLinkModalBtn' ).href = this.href document.getElementById( 'externalLinkModalBtn' ).setAttribute( 'onclick', 'document.getElementById(\'externalLinkModal\').style.display = "none";' ) document.getElementById( 'externalLinkModal' ).style.display = document.getElementById( 'externalLinkModal' ).style.display === 'none' ? 'block' : 'none' if ( modal_data.cancelBtnText ) { document.getElementById( 'externalLinkCancelBtn' ).textContent = modal_data.cancelBtnText } if ( modal_data.continueBtnText ) { document.getElementById( 'externalLinkModalBtn' ).textContent = modal_data.continueBtnText } } ) } } } catch ( ex ) { console.log( ex ) } function getLinkContent( link ) { try { let title = htmlDecode( "You are leaving Merck.com" ) let message = htmlDecode( "The link you have selected will direct you to a site outside of www.merck.com. We are Merck & Co. Inc., Rahway, NJ, USA known as MSD outside the United States and Canada. " ) let cancelBtnText = htmlDecode( "" ) let continueBtnText = htmlDecode( "" ) return { title: title, message: message, cancelBtnText: cancelBtnText, continueBtnText: continueBtnText, } } catch ( ex ) { console.log( ex ) } } function htmlDecode( input ) { if ( input === '' ) { return '' } var e = document.createElement( 'div' ) e.innerHTML = input return e.childNodes[0].nodeValue } function shouldWhitelistDomain( link ) { return whitelist_domains_array.some( domain => new RegExp( domain ).test( link ) ) } </script> <div id="ukUserModal" class="popup" style="display: none;"> <div class="popup-wrapper"> <div class="popup-content foward-guide-modal-content"> <h3>Welcome to Merck.com</h3> <div class="forward-guidance-content"> <p style="max-width: 31.25rem;">By continuing, you will be directed to a site intended only for residents of the United States and Canada. We are called MSD everywhere, except in the United States and Canada where we are known as Merck & Co Inc, Rahway, NJ USA.</p> </div> <div class="btn-container text-center"> <a target="_blank" class="btn tertiary negative" id="externalLinkModalBtn" onclick="AcceptUKMessage();">Continue</a> </div> </div> </div> </div> <script type="text/javascript"> function AcceptUKMessage() { try { let accepted = { expire: new Date(new Date().getTime() + 60 * 60 * 24 * 1000) }; sessionStorage.setItem('uk-messaging', JSON.stringify(accepted)); document.getElementById('ukUserModal').style.display = 'none'; } catch (ex) { console.log(ex); } } </script> <script>console.log("SG");</script> <script type="text/javascript"> let uk_check = JSON.parse(sessionStorage.getItem('uk-messaging')); if (!uk_check || uk_check.expire >= new Date(new Date().getTime())) { document.getElementById('ukUserModal').style.display = 'block'; } </script> <script> var utag_data = { page_type : "legal compliance privacy", page_audience : "policy makers", page_therapeuticarea : "none", page_reputationdriver : "none", page_contenttopic : "none", page_secondarycontenttag : "none", page_theme : "none", page_milestone : "none" } ; utag_data.page_datepublished = "2020-05-12 18:49:19"; utag_data.page_datemodified = "2022-05-01 08:59:09"; dataLayer.push(utag_data); </script>  <script src="https://cdn.cookielaw.org/scripttemplates/otSDKStub.js" type="text/javascript" charset="UTF-8" data-domain-script="fd658a96-8c4a-4c03-973e-fd83f98fa618"></script> <script type="text/javascript"> function OptanonWrapper() {} </script>  <script type="text/javascript"> /* * FileSaver.js * A saveAs() FileSaver implementation. * * By Eli Grey, http://eligrey.com * * License : https://github.com/eligrey/FileSaver.js/blob/master/LICENSE.md (MIT) * source : http://purl.eligrey.com/github/FileSaver.js */ // The one and only way of getting global scope in all environments // https://stackoverflow.com/q/3277182/1008999 var _global = typeof window === 'object' && window.window === window ? window : typeof self === 'object' && self.self === self ? self : typeof global === 'object' && global.global === global ? global : this function bom (blob, opts) { if (typeof opts === 'undefined') opts = { autoBom: false } else if (typeof opts !== 'object') { console.warn('Deprecated: Expected third argument to be a object') opts = { autoBom: !opts } } // prepend BOM for UTF-8 XML and text/* types (including HTML) // note: your browser will automatically convert UTF-16 U+FEFF to EF BB BF if (opts.autoBom && /^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)) { return new Blob([String.fromCharCode(0xFEFF), blob], { type: blob.type }) } return blob } function download (url, name, opts) { var xhr = new XMLHttpRequest() xhr.open('GET', url) xhr.responseType = 'blob' xhr.onload = function () { saveAs(xhr.response, name, opts) } xhr.onerror = function () { console.error('could not download file') } xhr.send() } function corsEnabled (url) { var xhr = new XMLHttpRequest() // use sync to avoid popup blocker xhr.open('HEAD', url, false) try { xhr.send() } catch (e) {} return xhr.status >= 200 && xhr.status <= 299 } // `a.click()` doesn't work for all browsers (#465) function click (node) { try { node.dispatchEvent(new MouseEvent('click')) } catch (e) { var evt = document.createEvent('MouseEvents') evt.initMouseEvent('click', true, true, window, 0, 0, 0, 80, 20, false, false, false, false, 0, null) node.dispatchEvent(evt) } } // Detect WebView inside a native macOS app by ruling out all browsers // We just need to check for 'Safari' because all other browsers (besides Firefox) include that too // https://www.whatismybrowser.com/guides/the-latest-user-agent/macos var isMacOSWebView = /Macintosh/.test(navigator.userAgent) && /AppleWebKit/.test(navigator.userAgent) && !/Safari/.test(navigator.userAgent) var saveAs = _global.saveAs || ( // probably in some web worker (typeof window !== 'object' || window !== _global) ? function saveAs () { /* noop */ } // Use download attribute first if possible (#193 Lumia mobile) unless this is a macOS WebView : ('download' in HTMLAnchorElement.prototype && !isMacOSWebView) ? function saveAs (blob, name, opts) { var URL = _global.URL || _global.webkitURL var a = document.createElement('a') name = name || blob.name || 'download' a.download = name a.rel = 'noopener' // tabnabbing // TODO: detect chrome extensions & packaged apps // a.target = '_blank' if (typeof blob === 'string') { // Support regular links a.href = blob if (a.origin !== location.origin) { corsEnabled(a.href) ? download(blob, name, opts) : click(a, a.target = '_blank') } else { click(a) } } else { // Support blobs a.href = URL.createObjectURL(blob) setTimeout(function () { URL.revokeObjectURL(a.href) }, 4E4) // 40s setTimeout(function () { click(a) }, 0) } } // Use msSaveOrOpenBlob as a second approach : 'msSaveOrOpenBlob' in navigator ? function saveAs (blob, name, opts) { name = name || blob.name || 'download' if (typeof blob === 'string') { if (corsEnabled(blob)) { download(blob, name, opts) } else { var a = document.createElement('a') a.href = blob a.target = '_blank' setTimeout(function () { click(a) }) } } else { navigator.msSaveOrOpenBlob(bom(blob, opts), name) } } // Fallback to using FileReader and a popup : function saveAs (blob, name, opts, popup) { // Open a popup immediately do go around popup blocker // Mostly only available on user interaction and the fileReader is async so... popup = popup || open('', '_blank') if (popup) { popup.document.title = popup.document.body.innerText = 'downloading...' } if (typeof blob === 'string') return download(blob, name, opts) var force = blob.type === 'application/octet-stream' var isSafari = /constructor/i.test(_global.HTMLElement) || _global.safari var isChromeIOS = /CriOS\/[\d]+/.test(navigator.userAgent) if ((isChromeIOS || (force && isSafari) || isMacOSWebView) && typeof FileReader !== 'undefined') { // Safari doesn't allow downloading of blob URLs var reader = new FileReader() reader.onloadend = function () { var url = reader.result url = isChromeIOS ? url : url.replace(/^data:[^;]*;/, 'data:attachment/file;') if (popup) popup.location.href = url else location = url popup = null // reverse-tabnabbing #460 } reader.readAsDataURL(blob) } else { var URL = _global.URL || _global.webkitURL var url = URL.createObjectURL(blob) if (popup) popup.location = url else location.href = url popup = null // reverse-tabnabbing #460 setTimeout(function () { URL.revokeObjectURL(url) }, 4E4) // 40s } } ) _global.saveAs = saveAs.saveAs = saveAs if (typeof module !== 'undefined') { module.exports = saveAs; } /*! ics.js Wed Sept 14 2017 */ var ics=function(e,t){"use strict";{if(!(navigator.userAgent.indexOf("MSIE")>-1&&-1==navigator.userAgent.indexOf("MSIE 10"))){void 0===e&&(e="default"),void 0===t&&(t="Calendar");var r=-1!==navigator.appVersion.indexOf("Win")?"\r\n":"\n",n=[],i=["BEGIN:VCALENDAR","PRODID:"+t,"VERSION:2.0"].join(r),o=r+"END:VCALENDAR",a=["SU","MO","TU","WE","TH","FR","SA"];return{events:function(){return n},calendar:function(){return i+r+n.join(r)+o},addEvent:function(t,i,o,l,u,s){if(void 0===t||void 0===i||void 0===o||void 0===l||void 0===u)return!1;if(s&&!s.rrule){if("YEARLY"!==s.freq&&"MONTHLY"!==s.freq&&"WEEKLY"!==s.freq&&"DAILY"!==s.freq)throw"Recurrence rrule frequency must be provided and be one of the following: 'YEARLY', 'MONTHLY', 'WEEKLY', or 'DAILY'";if(s.until&&isNaN(Date.parse(s.until)))throw"Recurrence rrule 'until' must be a valid date string";if(s.interval&&isNaN(parseInt(s.interval)))throw"Recurrence rrule 'interval' must be an integer";if(s.count&&isNaN(parseInt(s.count)))throw"Recurrence rrule 'count' must be an integer";if(void 0!==s.byday){if("[object Array]"!==Object.prototype.toString.call(s.byday))throw"Recurrence rrule 'byday' must be an array";if(s.byday.length>7)throw"Recurrence rrule 'byday' array must not be longer than the 7 days in a week";s.byday=s.byday.filter(function(e,t){return s.byday.indexOf(e)==t});for(var c in s.byday)if(a.indexOf(s.byday[c])<0)throw"Recurrence rrule 'byday' values must include only the following: 'SU', 'MO', 'TU', 'WE', 'TH', 'FR', 'SA'"}}var g=new Date(l),d=new Date(u),f=new Date,S=("0000"+g.getFullYear().toString()).slice(-4),E=("00"+(g.getMonth()+1).toString()).slice(-2),v=("00"+g.getDate().toString()).slice(-2),y=("00"+g.getHours().toString()).slice(-2),A=("00"+g.getMinutes().toString()).slice(-2),T=("00"+g.getSeconds().toString()).slice(-2),b=("0000"+d.getFullYear().toString()).slice(-4),D=("00"+(d.getMonth()+1).toString()).slice(-2),N=("00"+d.getDate().toString()).slice(-2),h=("00"+d.getHours().toString()).slice(-2),I=("00"+d.getMinutes().toString()).slice(-2),R=("00"+d.getMinutes().toString()).slice(-2),M=("0000"+f.getFullYear().toString()).slice(-4),w=("00"+(f.getMonth()+1).toString()).slice(-2),L=("00"+f.getDate().toString()).slice(-2),O=("00"+f.getHours().toString()).slice(-2),p=("00"+f.getMinutes().toString()).slice(-2),Y=("00"+f.getMinutes().toString()).slice(-2),U="",V="";y+A+T+h+I+R!=0&&(U="T"+y+A+T,V="T"+h+I+R);var B,C=S+E+v+U,j=b+D+N+V,m=M+w+L+("T"+O+p+Y);if(s)if(s.rrule)B=s.rrule;else{if(B="rrule:FREQ="+s.freq,s.until){var x=new Date(Date.parse(s.until)).toISOString();B+=";UNTIL="+x.substring(0,x.length-13).replace(/[-]/g,"")+"000000Z"}s.interval&&(B+=";INTERVAL="+s.interval),s.count&&(B+=";COUNT="+s.count),s.byday&&s.byday.length>0&&(B+=";BYDAY="+s.byday.join(","))}(new Date).toISOString();var H=["BEGIN:VEVENT","UID:"+n.length+"@"+e,"CLASS:PUBLIC","DESCRIPTION:"+i,"DTSTAMP;VALUE=DATE-TIME:"+m,"DTSTART;VALUE=DATE-TIME:"+C,"DTEND;VALUE=DATE-TIME:"+j,"LOCATION:"+o,"SUMMARY;LANGUAGE=en-us:"+t,"TRANSP:TRANSPARENT","END:VEVENT"];return B&&H.splice(4,0,B),H=H.join(r),n.push(H),H},download:function(e,t){if(n.length<1)return!1;t=void 0!==t?t:".ics",e=void 0!==e?e:"calendar";var a,l=i+r+n.join(r)+o;if(-1===navigator.userAgent.indexOf("MSIE 10"))a=new Blob([l]);else{var u=new BlobBuilder;u.append(l),a=u.getBlob("text/x-vCalendar;charset="+document.characterSet)}return saveAs(a,e+t),l},build:function(){return!(n.length<1)&&i+r+n.join(r)+o}}}console.log("Unsupported Browser")}}; function GenerateICS(title, description, start, end) { let cal = new ics(); cal.addEvent(decodeURIComponent(title), decodeURIComponent(description), "", start, end); cal.download(decodeURIComponent(title)); } </script><script> /* https://stackoverflow.com/a/26633844/3019650 */ if (!window.CSS || !CSS.supports('color', 'var(--fake-var)')) { (function(a, b, c, d) { a = 'https://cdn.jsdelivr.net/npm/css-vars-ponyfill@2'; b = document; c = 'script'; d = b.createElement(c); d.src = a; d.type = 'text/java' + c; d.async = true; a = b.getElementsByTagName(c)[0]; a.parentNode.insertBefore(d, a); })(); function deferCssVars(method) { if (typeof cssVars === "function") { method(); } else { setTimeout(function() { deferCssVars(method) }, 50); } } deferCssVars(function() { cssVars() }); } </script> </body> </html>