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
- Pulmonary Disease Associated with E-cigarette Announced August 2019
- Listeria monocytogenes Infections Announced August 2019
- Northfork Bison – E. coli Infections Announced July 2019
- Pig Ear Dog Treats – Salmonella Infections Announced July 2019
- Papayas - Salmonella Infections Announced June 2019
- Backyard Flocks – Salmonella Announced May 2019
- Raw Milk – Drug-resistant Brucella (RB51) Announced February 2019
- Measles Outbreaks 2019 Announced January 2019
- Pet Hedgehogs – Salmonella infections Announced January 2019
- Multistate Psittacosis Outbreak among Poultry Plant Workers, 2018 Announced September 2018
- Outbreaks of hepatitis A in multiple states among people who are homeless and people who use drugs Announced March 2017
International Outbreaks
- 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.
- Watch - Dengue in Asia and the Pacific Islands September 2019
- Watch - Dengue in Africa and the Middle East September 2019
- Warning - Hurricane Dorian in the Bahamas September 2019
- Watch - Dengue in the Americas August 2019
- Alert - Polio in Ghana August 2019
- Watch - Malaria in Burundi August 2019
- Alert - Polio in Central African Republic August 2019
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: July 17, 2019
Content source: Centers for Disease Control and Prevention