CDC Current Outbreak List
Infectious disease outbreaks currently being reported on by CDC. Listings include those outbreaks for which content is currently published on the CDC website.
U.S.-Based Outbreaks
Recent investigations reported on CDC.gov
- Onions – Salmonella Infections Announced August 2020
- Bagged Salad Mix – Cyclospora Infections Announced June 2020
- Backyard Poultry – Salmonella Infections Announced May 2020
- Coronavirus Disease 2019 (COVID-19) Announced January 2020
- Pet Store Puppies – Multidrug-resistant Campylobacter Infections Announced December 2019
- Lung Injury Associated with E-cigarette Use or Vaping Announced August 2019
- Raw Milk – Drug-resistant Brucella (RB51) Announced February 2019
- Measles Outbreaks 2019 Announced January 2019
- Outbreaks of hepatitis A in multiple states among people who are homeless and people who use drugs Announced March 2017
International Outbreaks
- Coronavirus Disease 2019 (COVID-19) Announced January 2020
- 2018 Ebola Outbreak in Congo (DRC) Announced May 2018
- 2017 Ebola Outbreak in Congo (DRC) Announced May 2017
Travel Notices Affecting International Travelers
Please see the Travelers’ Health site for a complete list.
- Alert - Ebola in Democratic Republic of the Congo July 2020
- Warning - Hajj and Umrah in Saudi Arabia June 2020
- Watch - Yellow Fever in Ethiopia April 2020
- Watch - Meningococcal Disease in Benin April 2020
- Watch - Chikungunya in Ethiopia April 2020
- Warning - Global COVID-19 Pandemic Notice March 2020
- Warning - COVID-19 and Cruise Ship Travel March 2020
Understanding Outbreaks
In the last two years, CDC has sent scientists and doctors out more than 750 times to respond to health threats. Learn more below.
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Further Sources for Content about Specific Outbreaks
- Multistate Foodborne Outbreaks – Foodborne outbreaks listed by year
- Hepatitis A Outbreaks – Hepatitis A outbreak investigations since 2013 where CDC supported or led the investigation.
- US Outbreaks Linked to Contact with Animals or Animal Products
- Health Alert Network – Health alerts, health advisories, updates, and info service messages. Designed for public health and medical communities.
- Recent Outbreaks and Incidents – Events involving the CDC Emergency Operations Center
- Morbidity and Mortality Weekly Report – Outbreak investigation reports included among other content. Note that outbreak material includes state health department investigations. Designed for public health and medical communities.
Page last reviewed: June 24, 2020
Content source: Centers for Disease Control and Prevention