Timeline of Reported Cases

Posted November 21, 2018 at 5:00 PM ET

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 November 21, 2018

*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.