Epi Curves
Multistate Outbreak of Salmonella Enteritidis Infections Linked to Ground Beef (Final Update)
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Posted September 13, 2012 04:45 PM ET
This outbreak appears to be over. However, Salmonella is an important cause of human illness in the United States. More information about Salmonella, and steps people can take to reduce their risk of infection, can be found on the CDC Salmonella Web Page and the CDC Vital Signs Web Page.
This outbreak can be visually described with a chart showing the number of persons who became ill each day. This chart is called an epi curve. Please see the Timeline for Reporting of Salmonella Cases for more details on the reporting process.
Final Epi Curve
Persons infected with the outbreak strain of Salmonella Enteritidis, by date of illness onset*
*n= 46 for whom information was reported as of September 11, 2012
Previous Case Count Maps
July 30, 2012
Persons infected with the outbreak strain of Salmonella Enteritidis, by date of illness onset*
*n=40 for whom information was reported as of July 30, 2012. Illnesses that occurred after July 10, 2012 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 3 weeks.
July 19, 2012
Persons infected with the outbreak strain of Salmonella Enteritidis, by date of illness onset*
*n=33 for whom information was reported as of July 19, 2012. Illnesses that occurred after June 29, 2012 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 3 weeks.
- Page last reviewed: September 13, 2012
- Page last updated: September 13, 2012
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