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Epi Curves

Multistate Outbreak of Human Salmonella Typhimurium Infections Linked to Pet Hedgehogs (Final Update)

Posted June 14, 2013 11:45 AM ET

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.

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.

Persons infected with the outbreak strain of Salmonella Typhimurium, by month of illness onset*

Epi Curve: Final--Persons infected with the outbreak strain of Salmonella Typhimurium, by date of illness onset

*n=26, for whom information was reported as of June 3, 2013.

Previous Epi Curves

April 16, 2013

Persons infected with the outbreak strain of Salmonella Typhimurium, by month of illness onset*

Epi Curve: April 16, 2013--Persons infected with the outbreak strain of Salmonella Typhimurium, by date of illness onset

*n=23, for whom information was reported as of April 12, 2013. Illnesses that occurred after March 19, 2013 might not be reported yet due to the time it takes between when a person becomes ill and when the illness is reported.

January 31, 2013

Persons infected with the outbreak strain of Salmonella Typhimurium, by date of illness onset*

Epi Curve: January 31, 2013--Persons infected with the outbreak strain of Salmonella Typhimurium, by date of illness onset

*n=20 for whom information was reported as of January 28, 2013. Illnesses that occurred after January 4, 2013 might not be reported yet due to the time it takes between when a person becomes ill and when the illness is reported.

January 9, 2013

Persons infected with the outbreak strain of Salmonella Typhimurium, by date of illness onset*

Epi Curve: January 9, 2013--Persons infected with the outbreak strain of Salmonella Typhimurium, by date of illness onset

*n=16 for whom information was reported as of December 20, 2012. Illnesses that occurred after December 17, 2012 might not be reported yet due to the time it takes between when a person becomes ill and when the illness is reported.

September 5, 2012

Persons infected with the outbreak strain of Salmonella Typhimurium, by date of illness onset*

Epi Curve: September 5, 2012--Persons infected with the outbreak strain of Salmonella Typhimurium, by date of illness onset

*n=14 for whom information was reported as of September 5, 2012. Illnesses that occurred after August 14, 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.

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