Timeline of Reported Cases

Posted April 8, 2020 at 4:30 PM ET

People infected with the outbreak strain of Listeria monocytogenes, by month when Listeria was identified in ill people’s samples*

Epi curve of people infected with the outbreak strain of Listeria, by month of illness onset, as of April 8, 2020.

*n=36 for whom information was reported as of April 8, 2020.

Illnesses might not yet be reported due to the time it takes between when a person becomes ill and when the illness is reported.

Previous Timelines

People infected with the outbreak strain of Listeria monocytogenes, by month when Listeria was identified in ill people’s samples*

Epi curve of people infected with the outbreak strain of Listeria, by month of illness onset, as of March 26, 2020.

*n=36 for whom information was reported as of March 26, 2020.

Illnesses might not yet be reported due to the time it takes between when a person becomes ill and when the illness is reported.

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

Epi curve of people infected with the outbreak strain of Listeria, by month of illness onset, as of March 10, 2020.

*n=36 for whom information was reported as of March 9, 2020.

Illnesses might not yet be reported due to the time it takes between when a person becomes ill and when the illness is reported.