Timeline of Reported Cases
Posted December 21, 2018 at 7:00 PM EDT
People infected with the outbreak strain of Salmonella Reading, by date of illness onset*
![Epi curve of people infected with the outbreak strain of Salmonella, by date of illness onset, as of December 19 2018](/congress115th/20190109073710im_/https://www.cdc.gov/salmonella/reading-07-18/images/epi-12-19-18.jpg)
*n=216 for whom information was reported as of December 18, 2018. Some illness onset dates have been estimated from other reported information.
Illnesses that started after November 15, 2018 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 4 weeks.
Previous Timelines
November 8, 2018
People infected with the outbreak strain of Salmonella Reading, by date of illness onset*
![Epi curve of people infected with the outbreak strain of Salmonella, by date of illness onset, as of November 5, 2018](/congress115th/20190109073710im_/https://www.cdc.gov/salmonella/reading-07-18/images/epi-11-8-18.jpg)
*n=164 for whom information was reported as of November 5, 2018. Some illness onset dates have been estimated from other reported information.
Illnesses that started after October 3, 2018 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 4 weeks.
July 19, 2018
People infected with the outbreak strain of Salmonella Reading, by date of illness onset*
![Epi curve of people infected with the outbreak strain of Salmonella, by date of illness onset, as of July 11, 2018](/congress115th/20190109073710im_/https://www.cdc.gov/salmonella/reading-07-18/images/epi-7-11-18.jpg)
*n=90 for whom information was reported as of July 11, 2018. Some illness onset dates have been estimated from other reported information.
- Page last reviewed: December 21, 2018
- Page last updated: December 21, 2018
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