E. coli Outbreak Linked to Onions Served at McDonald’s | E. coli infection

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tabindex="0"> REPEXH01 <em>E. coli</em> O157:H7 </a> <a class="view-all" href="/ecoli/site.html"> View All </a> </div> </div> </header> <main class="container cdc-main" role="main" aria-label="Main Content Area"> <section class="cdc-page-title-bar cdc-page-offset noindex"> <time class="cdc-page-title-bar__item cdc-page-title-bar__item--date" datetime="2024-11-13 05:00:00"> November 13, 2024 </time> </section> <div class="cdc-page-title cdc-page-offset syndicate"> <h1><em>E. coli</em> Outbreak Linked to Onions Served at McDonald’s</h1> </div> <div id="content" class="cdc-page-content cdc-page-offset syndicate container"> <div class="cdc-dfe-body "> <div class="cdc-dfe-body__top "> <div class="dfe-section dfe-section--page-summary summary-paragraph" data-section="cdc_outbreak_main_summary"> <div class="dfe-section__header"> <h2 class="editor-block--title" id="heading-zednzozrdx">Food safety alert</h2> </div> <div class="dfe-section__content"> <div class="fact-top"><span class="label">Investigation start date:</span> October 22, 2024</div><div class="fact-top"><span class="label">Investigation status:</span> Open</div><div class="fact-top"><span class="label">Recall issued:</span> Yes</div>  <div class="desktop-page-summary"> <p>New as of 11/13: Affected onions served at McDonald's locations were recalled and are past shelf life. Our investigation remains open to investigate any other illnesses which occurred when the onions were available at McDonald’s. CDC continues to believe the risk to the public is low. </p> </div> </div> <div class="dfe-section__image fast-facts" id="page-summary-image"> <div class="fast_fact_section_header"><h2>Fast Facts</h2></div> <div class="facts-list-container"> <div class="dfe-block dfe-outbreak_fact im-classy"><div class="loc-label"><h5>United States</h5></div> <ul> <li><span class="fact-top label">Cases</span>: 104 (14 new)</li><li><span class="fact-top label">Hospitalizations</span>: 34 (7 new)</li><li><span class="fact-top label">Deaths</span>: 1 (0 new)</li><li><span class="fact-top label">States</span>: 14 (1 new)</li></ul> </div> </div> </div> <div class="d-block d-md-none dfe-section__mobile-summary"> <p>New as of 11/13: Affected onions served at McDonald's locations were recalled and are past shelf life. Our investigation remains open to investigate any other illnesses which occurred when the onions were available at McDonald’s. CDC continues to believe the risk to the public is low. </p> </div> <div id="nav-buttons" class="dfe-section__desktop-nav-buttons"></div> </div> <script> const pageSummaryButtonContainer = document.querySelector('#nav-buttons'); pageSummaryButtonContainer.innerHTML = decodeURIComponent('%3Cdiv%20class%3D%22dfe-outbreak-navs%20%22%3E%0D%0A%09%09%09%3Ca%20href%3D%22%2Fecoli%2Foutbreaks%2Finvestigation-update-e-coli-o157-2024.html%22%20class%3D%22btn%20btn-outline-blue%22%3EUpdates%3C%2Fa%3E%3Ca%20href%3D%22%2Fecoli%2Foutbreaks%2Fwhere-people-got-sick-e-coli-o157-2024.html%22%20class%3D%22btn%20btn-outline-blue%22%3ELocations%3C%2Fa%3E%3Ca%20href%3D%22%2Fecoli%2Foutbreaks%2Fwhen-people-got-sick-e-coli-o157-2024.html%22%20class%3D%22btn%20btn-outline-blue%22%3ETimeline%3C%2Fa%3E%3C%2Fdiv%3E%0D%0A%09'); </script> </div> <div class="cdc-dfe-body__center "> <div class="dfe-section" data-section="cdc_outbreak_main_situation"> <a class="onThisPageAnchor" id="cdc_outbreak_main_situation-situation-summary" name="Situation%20summary" title="Situation summary"></a><h2 class="editor-block--title" id="heading-dgdwvassr5">Situation summary</h2> <p>CDC, FDA, and public health officials in multiple states are investigating an outbreak of <em>E. coli </em>O157:H7 infections. Most people in this outbreak reported eating the Quarter Pounder hamburger at McDonald's before getting sick. </p> <p>Epidemiologic and traceback information show that fresh, slivered onions are the likely source of illness in this outbreak. Taylor Farms, the supplier of slivered onions to the affected McDonald's locations also recalled onions. Food service businesses were contacted directly by Taylor Farms. These onions are past their shelf life and are not available for sale. The likelihood of contaminated onions still being available for sale is low.</p> </div> <div class="dfe-section" data-section="cdc_outbreak_main_audience"> <a class="onThisPageAnchor" id="cdc_outbreak_main_audience-recalled-food" name="Recalled%20food" title="Recalled food"></a><h2 class="editor-block--title" id="heading-j6z_zcsl-u">Recalled food</h2> <p><strong>Slivered onions served on McDonald's Quarter Pounder hamburgers</strong> made people sick. </p> <ul class="nested-list"> <li class="level-1">Most sick people in this outbreak reported eating a McDonald's menu item containing fresh, slivered onions before they got sick.<ul> </ul> </li> </ul> <ul class="nested-list"> <li class="level-1">McDonald's pulled fresh, slivered onions and fresh quarter pound beef patties while a specific food ingredient was being determined as the source of illness. That likely source is now believed to be onions.<ul> </ul> </li> </ul> <p><strong>Taylor Farms</strong> <strong>recalled yellow onions</strong> </p> <ul class="nested-list"> <li class="level-1">Food service operators were contacted directly and told not to sell or serve recalled onions.<ul> </ul> </li> </ul> <ul class="nested-list"> <li class="level-1">The onions were only distributed to food service businesses, such as restaurants. It is not likely that recalled onions went to grocery stores or directly to consumers.<ul> </ul> </li> </ul> </div> <div class="dfe-section" data-section="cdc_outbreak_main_audience2"> <a class="onThisPageAnchor" id="cdc_outbreak_main_audience2-what-you-should-do" name="What%20you%20should%20do" title="What you should do"></a><h2 class="editor-block--title" id="heading-vjjdmytz82">What you should do</h2> <p>Because these onions were recalled and are no longer available for sale to food service operators, it is not necessary to avoid eating onions or other foods made with onions. </p> <p><strong>Call your healthcare provider if you have severe <em>E. coli</em> symptoms:</strong></p> <ul class="nested-list"> <li class="level-1">Diarrhea and a fever higher than 102°F<ul> <li class="level-2">Diarrhea for more than 3 days that is not improving<ul> </ul> </li> <li class="level-2">Bloody diarrhea<ul> </ul> </li> </ul> </li> <li class="level-1">So much vomiting that you cannot keep liquids down<ul> </ul> </li> <li class="level-1">Signs of dehydration, such as:<ul> <li class="level-2">Not peeing much<ul> </ul> </li> <li class="level-2">Dry mouth and throat<ul> </ul> </li> <li class="level-2">Feeling dizzy when standing up<ul> </ul> </li> </ul> </li> </ul> </div> <div class="dfe-section" data-section="cdc_outbreak_main_audience3"> <a class="onThisPageAnchor" id="cdc_outbreak_main_audience3-what-businesses-should-do" name="What%20businesses%20should%20do" title="What businesses should do"></a><h2 class="editor-block--title" id="heading-w3tlll9wly">What businesses should do</h2> <ul class="nested-list"> <li class="level-1">Food service operators should not sell, eat, or serve Taylor Farms recalled yellow onions.<ul> </ul> </li> </ul> </div> <div class="dfe-section dfe-outbreak-main-symptoms"> <a class="onThisPageAnchor" id="cdc_outbreak_main_symptoms-symptoms-of-e-coli" name="Symptoms%20of%20<em>E.%20coli</em>" title="Symptoms of <em>E. coli</em>"></a><h2 class="editor-block--title" id="heading-tkkmawfq3x">Symptoms of <em>E. coli</em></h2> <div class="symptom"> <ul class="nested-list"> <li class="level-1">Most people infected with Shiga toxin-producing <em>E. coli</em> experience severe stomach cramps, diarrhea (often bloody), and vomiting.<ul> <li class="level-2">Symptoms usually start 3 to 4 days after swallowing the bacteria.<ul> </ul> </li> <li class="level-2">Most people recover without treatment after 5 to 7 days.<ul> </ul> </li> </ul> </li> <li class="level-1">Some people may develop serious kidney problems (hemolytic uremic syndrome, also called HUS) and would need to be hospitalized.<ul> </ul> </li> <li class="level-1">For more information about <em>E. coli</em>, see the <a href="/ecoli/about/index.html">About <em>Escherichia coli</em> Infection</a> page<ul> </ul> </li> </ul> </div> </div> <div class="dfe-section" data-section="cdc_outbreak_main_see-also"> <a class="onThisPageAnchor" id="cdc_outbreak_main_see-also-see-also" name="See%20also" title="See also"></a><h2 class="editor-block--title" id="heading-y4iyi6unn2">See also</h2> <ul class="nested-list"> <li class="level-1"><a href="/ecoli/about/index.html" class="ce-selection">About <em>E. coli</em></a><ul> </ul> </li> <li class="level-1"><a href="https://www.fda.gov/food/outbreaks-foodborne-illness/outbreak-investigation-e-coli-o157h7-mcdonalds-quarter-pounders-october-2024" class="tp-link-policy" rel="noreferrer" data-domain-ext="gov">FDA: Outbreak Investigation of <em>E. coli</em> O157:H7: McDonald's Quarter Pounders<span class="visually-hidden sr-only" aria-label=" external icon" role="img"></span><span class="cdc-icon-external cdc-link-icon" aria-hidden="true" alt="external icon"></span></a><ul> </ul> </li> </ul> </div> </div> <div class="cdc-dfe-body__right page-right-rail"> <aside class="page-right-rail__static noindex" role="complementary"> <div class="on-this-page " data-sid=""> <h2 class="on-this-page__heading"> On This Page </h2> <div class="card-body"> <ul> <li><a href="#cdc_outbreak_main_situation-situation-summary">Situation summary</a></li> <li><a href="#cdc_outbreak_main_audience-recalled-food">Recalled food</a></li> <li><a href="#cdc_outbreak_main_audience2-what-you-should-do">What you should do</a></li> <li><a href="#cdc_outbreak_main_audience3-what-businesses-should-do">What businesses should do</a></li> <li><a href="#cdc_outbreak_main_symptoms-symptoms-of-e-coli">Symptoms of <em>E. coli</em></a></li> <li><a href="#cdc_outbreak_main_see-also-see-also">See also</a></li> </ul> </div> </div> </aside> </div> </div> <section class="container page-mobile-bar"> <time class="page-mobile-bar__item page-mobile-bar__item--date" datetime="2024-11-13 00:00:00"> November 13, 2024 </time> </section> <div class="page-content-sources noindex"> <div class="page-content-sources__header"> <a data-action="summary" class="collapsed" href="#content-sources" role="button" data-bs-toggle="collapse" aria-expanded="false" 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