2018 Outbreak of Listeria Infections Linked to Pork Products – Timeline
Final Update
Posted January 29, 2019 at 1:00 PM ET
This outbreak appears to be over. In general, people who are at higher risk for Listeria infection should avoid eating hot dogs, lunch meats, cold cuts, other deli meats (such as bologna), or fermented or dry sausages 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*
*n=4 for whom information was reported as of January 29, 2019.
Previous Timelines
People infected with the outbreak strain of Listeria monocytogenes, by date of isolation*
*n=4 for whom information was reported as of November 20, 2018.
Illnesses might not yet be reported due to the time it takes between when a person becomes ill and when the illness is reported. This takes an average of 2 to 10 weeks.
