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Epi Curves

Multistate Outbreak of Salmonella Bredeney Infections Linked to Peanut Butter Manufactured By Sunland, Inc. (Final Update)

Posted November 30, 2012 12:15 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.

Final Epi Curve

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 Bredeney, by date of illness onset*

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

* n=39 for whom information was reported as of November 28, 2012. Some illness onset dates have been estimated from other reported information.

Previous Epi Curves

November 7, 2012

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

November 7, 2012 Epi Curve: Persons infected with the outbreak strain of Salmonella Bredeney, by date of illness onset

*n=39 for whom information was reported as of November 7, 2012. Some illness onset dates have been estimated from other reported information. Illnesses that occurred after October 5, 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.

October 24, 2012

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

October 24, 2012 Epi Curve: Persons infected with the outbreak strain of Salmonella Bredeney, by date of illness onset

*n=38 for whom information was reported as of October 19, 2012. Some illness onset dates have been estimated from other reported information. Illnesses that occurred after September 13, 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.

October 3, 2012

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

October 3, 2012 Epi Curves: Persons infected with the outbreak strain of Salmonella Bredeney, by date of illness onset

*n=35 for whom information was reported as of October 3, 2012. Some illness onset dates have been estimated from other reported information. Illnesses that occurred after August 27, 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.

September 24, 2012

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

September 24, 2012 Epi Curves: Persons infected with the outbreak strain of Salmonella Bredeney, by date of illness onset

*n=29 for whom information was reported as of September 24, 2012. Some illness onset dates have been estimated from other reported information. Illnesses that occurred after August 30, 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.

September 21, 2012

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

September 21, 2012 Epi Curves: Persons infected with the outbreak strain of Salmonella Bredeney, by date of illness onset

*n=28 for whom information was reported as of September 21, 2012. Some illness onset dates have been estimated from other reported information.  Illnesses that occurred after August 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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