Cdc Listeria Outbreak 2024 Update. Cdc and fda reopened the investigation in january 2024 after new illnesses were reported in december 2023 and whole genome sequencing (wgs) analysis of the cotija. On august 28, the cdc issued an updated food safety alert related to the existing boar’s head listeria outbreak.

Stay informed on current listeria outbreaks,. The infection can be very serious for some groups of people.