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 December 18, 2024 (updated every Wednesday)

Germ

Number of Active Investigations

Campylobacter

E. coli

3

Listeria

6

Salmonella

4

CDC Outbreak Notices

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

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: