Timeline of Reported Cases

Final Update

Posted January 28, 2021 at 4:00 PM ET

This outbreak is over. Even when there are no ongoing outbreaks, people who are at higher risk for getting sick with Listeria should avoid eating deli meats, unless heated to an internal temperature of 165°F or until steaming hot.

People infected with the outbreak strain of Listeria monocytogenes, by date of isolation*

Epi curve of people infected with the outbreak strain of Listeria, by month of illness onset, as of January 26, 2021.

*n=12 for whom information was reported as of January 26, 2021.

Previous Timelines

People infected with the outbreak strain of Listeria monocytogenes, by date of isolation*

Epi curve of people infected with the outbreak strain of Listeria, by month of illness onset, as of November 30, 2020.

*n=11 for whom information was reported as of November 30, 2020.

People infected with the outbreak strain of Listeria monocytogenes, by date of isolation*

Epi curve of people infected with the outbreak strain of Listeria, by month of illness onset, as of October 22, 2020.

*n=10 for whom information was reported as of October 22, 2020.

Read the Full Investigation Notice

Page last reviewed: January 28, 2021

Content source: Centers for Disease Control and Prevention, National Center for Emerging and Zoonotic Infectious Diseases (NCEZID), Division of Foodborne, Waterborne, and Environmental Diseases (DFWED)