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Epi Curve

Multistate Outbreak of Human Salmonella Montevideo Infections Linked to Live Poultry in Backyard Flocks (Final Update)

Posted October 12, 2012 1:30 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.

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

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

*n=86 for whom information was reported as of October 9, 2012. Some illness onset dates have been estimated from other reported information.

Previous Epi Curves

July 26, 2012

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

July 26, 2012: Persons infected with the outbreak strain of Salmonella Montevideo, by date of illness onset

*n=70 for whom information was reported as of July 26, 2012. Illnesses that occurred after July 3, 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.

June 21, 2012

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

June 21, 2012: Persons infected with the outbreak strain of Salmonella Montevideo, by date of illness onset

*n=64 for whom information was reported as of June 21, 2012. Illnesses that occurred after May 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.

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