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href="/bird-flu/"> Avian Flu </a> </li> <li class="truncate"> <a data-post-id="0" href="/swine-flu/"> Swine Flu </a> </li> <li class="truncate"> <a data-post-id="" href="/flu-in-animals/"> Flu in Animals </a> </li> <li class="truncate"> <a data-post-id="" href="/flu-vaccines-work/"> Flu Vaccines Work </a> </li> <li class="truncate"> <a data-post-id="" href="/flu-forecasting/"> Flu Forecasting </a> </li> <li class="truncate"> <a data-post-id="" href="/flu-burden/"> Flu Burden </a> </li> </ul> </div> </div> </div> </div> </div> <div class="cdc-mobile-menu-footer"> <a href="/flu/site.html"> <span> View All </span> <span>Influenza (Flu)</span> </a> </div> </div> </div> <div class="cdc-header-mobile__faux-title" aria-hidden="true"> </div> </div> <div class="cdc-mobile-navbar"> <div class="cdc-mobile-navbar__paging"> </div> <div class="cdc-mobile-navbar__links" tabindex="-1"> <a data-post-id="133537" href="/flu/about/index.html" tabindex="0"> About </a> <a data-post-id="133540" 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href="https://espanol.cdc.gov/enes/flu/index.html">Español</a> </div> </section> <div class="cdc-page-title cdc-page-offset syndicate"> <h1>Influenza (Flu)</h1> </div> <div id="content" class="cdc-page-content cdc-page-offset syndicate container"> <div class="cdc-dfe-body homepage"> <div class="cdc-dfe-body__content"> <div class="cdc-dfe-body__combined"> <section class="dfe-section cdc_homepage_headline cdc_homepage_headline--1-feature dfe-1-feature dfe-links-layout" data-section="cdc_homepage_headline container"> <div class="row"> <div class="cdc_homepage_headline--1-feature"> <div class="dfe-features cdc_homepage_headline cdc_homepage_headline--1-feature dfe-1-feature dfe-links-layout dfe-links-layout--featured" data-section="cdc_homepage_headline"> <div class="dfe-section__content row featured-background"> <div class="dfe-section__col1 col"><div class="dfe-curated-link dfe-curated-link--featured flex-row-reverse" data-post="433_133540"><div class="dfe-curated-link__image dfe-image image-container featured"><a href="/flu/signs-symptoms/index.html" title="Signs and Symptoms of Flu"><img src="/flu/media/images/2024/10/symptoms2.png" alt="" role="presentation"></a></div> <div class="dfe-curated-link__content featured"><div class="dfe-curated-link__title"><a class="cdc-block-link" href="/flu/signs-symptoms/index.html">Signs and Symptoms</a></div> <div class="dfe-curated-link__desc">Learn about identifying flu symptoms, how the diagnosis works, common complications, and more.</div> <div class="dfe-curated-link__button"><a href="/flu/signs-symptoms/index.html" class="btn btn-outline-blue btn-arrow-right" id="button_433_133540" name="Learn%20More" title="Learn More">Learn More</a></div> <time class="dfe-curated-link__date">Aug. 1, 2024</time> <div class="featured download"></div></div> <div class="dfe-curated-link__download"></div></div></div> </div> </div> </div> </div> </section> <section class="dfe-section cdc_homepage_audience cdc_homepage_audience--2-features-1-bulleted-list-with-title dfe-2-features-1-bulleted-list-with-title dfe-links-layout" data-section="cdc_homepage_audience"> <a class="onThisPageAnchor" id="cdc_homepage_audience-for-everyone" name="For%20Everyone" title="For Everyone"><!-- --></a><h2 class="editor-block--title" id="heading-yan0s22put">For Everyone</h2> <div class="dfe-features cdc_homepage_audience cdc_homepage_audience--2-features-1-bulleted-list-with-title dfe-2-features-1-bulleted-list-with-title dfe-links-layout" data-section="cdc_homepage_audience"> <div class="dfe-links-layout--featured dfe-section__content row"> <div class="dfe-section__col1 col-md-4"> <div class="dfe-curated-link dfe-curated-link--featured flex-column" data-post="433_133542"><div class="dfe-curated-link__image dfe-image image-container featured"><a href="/flu/prevention/index.html" title="Preventing Seasonal Flu"><img src="/flu/media/images/2024/08/prevention-shot.png" alt="" role="presentation"></a></div> <div class="dfe-curated-link__content featured"><div class="dfe-curated-link__title"><a class="cdc-block-link" href="/flu/prevention/index.html">Prevention</a></div> <div class="dfe-curated-link__desc">Strategies to reduce the risk of seasonal flu.</div> <time class="dfe-curated-link__date">Aug. 1, 2024</time> <div class="featured download"></div></div> <div class="dfe-curated-link__download"></div></div> </div> <div class="dfe-links-layout--featured dfe-section__col2 col-md-4"> <div class="dfe-curated-link dfe-curated-link--featured flex-column" data-post="433_133541"><div class="dfe-curated-link__image dfe-image image-container featured"><a href="/flu/treatment/index.html" title="Treatment of Flu"><img src="/flu/media/images/2024/10/antivirals-what-you-600px.jpg" alt="" role="presentation"></a></div> <div class="dfe-curated-link__content featured"><div class="dfe-curated-link__title"><a class="cdc-block-link" href="/flu/treatment/index.html">Flu Treatment</a></div> <div class="dfe-curated-link__desc">If you get sick with flu, flu antiviral drugs may be a treatment option.</div> <time class="dfe-curated-link__date">Sept. 9, 2024</time> <div class="featured download"></div></div> <div class="dfe-curated-link__download"></div></div> </div> <div class="dfe-links-layout--list dfe-section__col3 col-md-4 feature-background"> <div class="list-container"> <ul> <li><div class="dfe-curated-link dfe-curated-link--list" data-post="1863_4269"><div class="dfe-curated-link__content list"><div class="dfe-curated-link__title"><a class="cdc-block-link" href="/bird-flu/situation-summary/index_1.html">H5 Bird Flu: Current Situation</a></div> <div class="dfe-curated-link__desc">H5 bird flu is causing outbreaks in wild birds and poultry, other animals and sporadic human cases.</div> <div class="featured download"></div></div> <div class="dfe-curated-link__download"></div></div></li><li><div class="dfe-curated-link dfe-curated-link--list" data-post><div class="dfe-curated-link__content list"><div class="dfe-curated-link__title"><a class="cdc-block-link" href="https://www.cdc.gov/fluview/">Weekly U.S. Influenza Surveillance Report</a></div> <div class="featured download"></div></div> <div class="dfe-curated-link__download"></div></div></li><li><div class="dfe-curated-link dfe-curated-link--list" data-post="1263_5925"><div class="dfe-curated-link__content list"><div class="dfe-curated-link__title"><a class="cdc-block-link" href="https://www.cdc.gov/respiratory-viruses/index.html">Respiratory Illnesses</a></div> <div class="dfe-curated-link__desc">Learn what respiratory illnesses have in common and steps to help protect yourself and others.</div> <div class="featured download"></div></div> <div class="dfe-curated-link__download"></div></div></li><li><div class="dfe-curated-link dfe-curated-link--list" data-post="1937_947"><div class="dfe-curated-link__content list"><div class="dfe-curated-link__title"><a class="cdc-block-link" href="/flu-resources/php/shareable-resources/index.html">Wild to Mild</a></div> <div class="dfe-curated-link__desc">Access CDC Flu Vaccination Campaign resources to encourage annual flu vaccination.</div> <div class="featured download"></div></div> <div class="dfe-curated-link__download"></div></div></li><li><div class="dfe-curated-link dfe-curated-link--list" data-post><div class="dfe-curated-link__content list"><div class="dfe-curated-link__title"><a class="cdc-block-link" href="https://www.vaccines.gov/find-vaccines/">Flu Vaccine Finder</a></div> <div class="featured download"></div></div> <div class="dfe-curated-link__download"></div></div></li><li><div class="dfe-curated-link dfe-curated-link--list" data-post="1926_45"><div class="dfe-curated-link__content list"><div class="dfe-curated-link__title"><a class="cdc-block-link" href="/fluvaxview/index.html">FluVaxView</a></div> <div class="dfe-curated-link__desc">Flu vaccination data for people 6 months and older as recommended by the ACIP.</div> <div class="featured download"></div></div> <div class="dfe-curated-link__download"></div></div></li> </ul> </div> </div> </div> </div> </section> <section class="dfe-section cdc_homepage_secondary_featured cdc_homepage_secondary_featured--6-feature-list dfe-6-feature-list dfe-links-layout" data-section="cdc_homepage_secondary_featured"> <a class="onThisPageAnchor" id="cdc_homepage_secondary_featured-featured" name="Featured" title="Featured"><!-- --></a><h2 class="editor-block--title" id="heading-6-zlqit9cg">Featured</h2> <div class="dfe-features cdc_homepage_secondary_featured cdc_homepage_secondary_featured--6-feature-list dfe-6-feature-list dfe-links-layout dfe-links-layout--featured" data-section="cdc_homepage_secondary_featured"> <div class="dfe-section__content row"><div class="dfe-section__col1 col-md-6"><div class="dfe-curated-link dfe-curated-link--featured flex-row-reverse" data-post="433_133577"><div class="dfe-curated-link__image dfe-image image-container featured"><a href="/flu/professionals/index.htm" title="Influenza (Flu) Information for Health Care Providers"><img src="/flu/media/images/2024/08/healthcare-professional.jpg" alt="" role="presentation"></a></div> <div class="dfe-curated-link__content featured"><div class="dfe-curated-link__title"><a class="cdc-block-link" href="/flu/professionals/index.htm">Influenza for Health Care Providers</a></div> <div class="dfe-curated-link__desc">Health care professionals play a critical role in helping patients choose flu vaccines.</div> <time class="dfe-curated-link__date">Sept. 3, 2024</time> <div class="featured download"></div></div> <div class="dfe-curated-link__download"></div></div></div><div class="dfe-section__col2 col-md-6"><div class="dfe-curated-link dfe-curated-link--featured flex-row-reverse" data-post="433_133537"><div class="dfe-curated-link__image dfe-image image-container featured"><a href="/flu/about/index.html" title="About Influenza"><img src="/flu/media/images/2024/08/wild-mild-general.jpg" alt="" role="presentation"></a></div> <div class="dfe-curated-link__content featured"><div class="dfe-curated-link__title"><a class="cdc-block-link" href="/flu/about/index.html">About</a></div> <div class="dfe-curated-link__desc">Flu is a contagious respiratory illness that infect the nose, throat, and sometimes the lungs.</div> <time class="dfe-curated-link__date">Aug. 1, 2024</time> <div class="featured download"></div></div> <div class="dfe-curated-link__download"></div></div></div></div><div class="dfe-section__content row"><div class="dfe-section__col1 col-md-6"><div class="dfe-curated-link dfe-curated-link--featured flex-row-reverse" data-post="433_133742"><div class="dfe-curated-link__image dfe-image image-container featured"><a href="/flu/season/index.html" title="Information for the Flu Season"><img src="/flu/media/images/2024/09/doctor-entering-patient-600x400px.jpg" alt="" role="presentation"></a></div> <div class="dfe-curated-link__content featured"><div class="dfe-curated-link__title"><a class="cdc-block-link" href="/flu/season/index.html">Information for the Flu Season</a></div> <div class="dfe-curated-link__desc">Learn about the current flu season and find resources related to flu surveillance and past seasons.</div> <time class="dfe-curated-link__date">Aug. 31, 2022</time> <div class="featured download"></div></div> <div class="dfe-curated-link__download"></div></div></div><div class="dfe-section__col2 col-md-6"><div class="dfe-curated-link dfe-curated-link--featured flex-row-reverse" data-post="433_133531"><div class="dfe-curated-link__image dfe-image image-container featured"><a href="/flu/highrisk/index.htm" title="People at Increased Risk for Flu Complications"><img src="/flu-resources/media/images/2024/10/wild-to-mild-rhino.png" alt="" role="presentation"></a></div> <div class="dfe-curated-link__content featured"><div class="dfe-curated-link__title"><a class="cdc-block-link" href="/flu/highrisk/index.htm">Flu Complications and People at Higher Risk</a></div> <div class="dfe-curated-link__desc">Learn more about who is at higher risk of developing potentially serious flu complications.</div> <time class="dfe-curated-link__date">Sept. 11, 2024</time> <div class="featured download"></div></div> <div class="dfe-curated-link__download"></div></div></div></div><div class="dfe-section__content row"><div class="dfe-section__col1 col-md-6"><div class="dfe-curated-link dfe-curated-link--featured flex-row-reverse" data-post="1937_44"><div class="dfe-curated-link__image dfe-image image-container featured"><a href="/flu-resources/index.html" title="Flu Resource Center"><img src="/flu-resources/media/images/2024/08/flu-resources-tb.png" alt="" role="presentation"></a></div> <div class="dfe-curated-link__content featured"><div class="dfe-curated-link__title"><a class="cdc-block-link" href="/flu-resources/index.html">Flu Resource Center</a></div> <div class="dfe-curated-link__desc">Access CDC communication resources to share information about the importance annual flu vaccination.</div> <time class="dfe-curated-link__date">Aug. 14, 2024</time> <div class="featured download"></div></div> <div class="dfe-curated-link__download"></div></div></div><div class="dfe-section__col2 col-md-6"><div class="dfe-curated-link dfe-curated-link--featured flex-row-reverse" data-post="433_133757"><div class="dfe-curated-link__image dfe-image image-container featured"><a href="/flu/about/flu-vs-covid19.html" title="Similarities and Differences between Flu and COVID-19"><img src="/flu/media/images/2024/08/covid-19-virus.jpg" alt="" role="presentation"></a></div> <div class="dfe-curated-link__content featured"><div class="dfe-curated-link__title"><a class="cdc-block-link" href="/flu/about/flu-vs-covid19.html">Similarities and Differences between Flu and COVID-19</a></div> <div class="dfe-curated-link__desc">Learn about prevention and treatment for flu and COVID-19.</div> <time class="dfe-curated-link__date">Sept. 17, 2024</time> <div class="featured download"></div></div> <div class="dfe-curated-link__download"></div></div></div></div></div></section></div> <section class="dfe-section cdc_homepage_news_worthy dfe-links-layout dfe-links-layout--linklist" data-section="cdc_homepage_news_worthy"> <div class="cdc_homepage_news_worthy--linklist"> <a class="onThisPageAnchor" id="cdc_homepage_news_worthy-whats-new" name="What's%20New" title="What's New"><!-- --></a><h2 class="editor-block--title" id="heading-qgxvxbax0n">What's New</h2> <div class="dfe-block dfe-block--cdcmodule cdc_content_coll"><div class="dfe-block dfe-block--cdcmodule cdc_content_coll"><content-collection data-src="/flu/modules/whats-new-collection.json" data-static="/flu/modules/whats-new-collection.static.json" data-template="dfe" data-theme="linklist" data-hide-form="1" data-hide-pagination="1" data-limit="5" data-limit-content="200"></content-collection> <a 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href="/flu/index.html#gen"> <span>For Everyone</span> <span class="cdc-icon cdc-fa-light cdc-fa-angle-right"></span> </a> </h3> <ul> <li> <a data-post-id="133537" href="/flu/about/index.html"> About </a> </li> <li> <a data-post-id="133540" href="/flu/signs-symptoms/index.html"> Signs and Symptoms </a> </li> <li> <a data-post-id="133676" href="/flu/spread/index.html"> Causes and Spread </a> </li> <li> <a data-post-id="133531" href="/flu/highrisk/index.htm"> Flu Complications and People at Higher Risk </a> </li> <li> <a data-post-id="133542" href="/flu/prevention/index.html"> Prevention </a> </li> <li> <a data-post-id="133754" href="/flu/vaccines/index.html"> Vaccine Basics </a> </li> <li> <a data-post-id="133752" href="/flu/testing/index.html"> Diagnosis </a> </li> <li> <a data-post-id="133541" href="/flu/treatment/index.html"> Flu Treatment </a> </li> <li> <a href="/flu/site.html#gen" class="btn cdc-super-footer-link"> View all <span class="cdc-icon cdc-fa-light 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