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
- Suspected Fungal Meningitis - Epidural Related Surgeries in Mexico Announced May 2023
- Raw Cookie Dough - Salmonella infections Announced May 2023
- Backyard Poultry – Salmonella Infections Announced May 2023
- Flour - Salmonella infections Announced March 2023
- Unknown Food Source – Listeria Infections Announced February 2023
- Drug-resistant Infections Associated with Artificial Tears Announced February 2023
- Raw Oysters - Norovirus Infections Announced December 2022
- Hepatitis of Unknown Cause in Children Announced May 2022
- Coronavirus Disease 2019 (COVID-19) Announced January 2020
- 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
Travel Notices Affecting International Travelers
Please see the Travelers’ Health site for a complete list.
- Alert - Fungal Infections Following Surgical Procedures in Mexico May 2023
- Alert - Malaria in Costa Rica April 2023
- Watch - Global Measles April 2023
- Watch - Nipah Virus in Bangladesh February 2023
- Alert - Diphtheria in Nigeria February 2023
- Watch - Chikungunya in Paraguay February 2023
- Alert - Global Polio September 2022
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.
International Outbreaks
- 2022 Uganda, Mubende District Announced September 2022
- 2022 Democratic Republic of the Congo, North Kivu Announced August 2022
- U.S. Mpox Outbreak 2022 Announced May 2022
- Coronavirus Disease 2019 (COVID-19) Announced January 2020
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.