2018 Outbreak of Listeria Infections Linked to Deli Ham – Timeline

Final Update

Posted December 18, 2018 at 3:30 PM ET

This outbreak appears to be over. In general, people who are at higher risk for Listeria infection should avoid eating lunch meats, cold cuts, or other deli meats, unless they are heated to an internal temperature of 165°F or until steaming hot just before serving. Learn more about how you can take steps to prevent Listeria infection.

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 date of illness onset, as of December 17, 2018

*n=4 for whom information was reported as of December 17, 2018.

Epi curve of people infected with the outbreak strain of Salmonella, by date of illness onset, as of October 1, 2018

*n=4 for whom information was reported as of October 3, 2018.