Active Investigations of Multistate Foodborne Outbreaks

What to know

  • CDC typically coordinates between 17 and 36 investigations of foodborne illnesses involving multiple states each week. The table below shows the number of active CDC multistate investigations for Campylobacter, Shiga toxin-producing E. coli, Listeria monocytogenes, and Salmonella.
An illustration of what Salmonella looks like under a microscope.

Active multistate outbreaks

Last Updated November 13, 2024 (updated every Wednesday)

Germ
Number of Active Investigations
Campylobacter
1
E. coli
4
Listeria
5
Salmonella
11

CDC Outbreak Notices‎

Some of the investigations above have CDC Outbreak Notices to let people know actions they can take to stay healthy.
List of Foodborne Outbreak Notices

What CDC and partners do to respond

CDC works closely with our federal regulatory partners, FDA and USDA-FSIS, on foodborne outbreak investigations. For more information about how they work to identify and remove contaminated food from the market, visit their websites:

Resources

Foodborne outbreaks are sometimes caused by other germs. For more information about these outbreaks, visit these websites:

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Content Source:
National Center for Emerging and Zoonotic Infectious Diseases (NCEZID)