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.
Active multistate outbreaks
Last Updated December 18, 2024 (updated every Wednesday)
Germ
Number of Active Investigations
Campylobacter
E. coli
3
Listeria
6
Salmonella
4
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: