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Epi Curves

Multistate Outbreak of Human Salmonella Infections Linked to Live Poultry (Final Update)

Posted November 8, 2013 2:30 PM ET

This outbreak appears to be over. However, live poultry, including those kept in backyard flocks, are an important cause of human Salmonella infections in the United States. More information about Salmonella from live poultry and the steps people can take to reduce their risk of infection is available.

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 strains of Salmonella Infantis, Lille, Newport, or Mbandaka, by date of illness onset*

Final Epi Curve: Persons infected with the outbreak strains of Salmonella Infantis, Lille, Newport, or Mbandaka, by date of illness onset

*n=157 for whom information was reported as of November 5, 2013

Previous Epi Curves

July 18, 2013

Persons infected with the outbreak strains of Salmonella Infantis, Lille, Newport, or Mbandaka, by date of illness onset*

July 18, 2013 Epi Curve: Mbandaka, by date of illness onset

*n=125 for whom information was reported as of July 16, 2013

Illnesses that occurred after June 23, 2013 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.

June 4, 2013

Persons infected with the outbreak strains of Salmonella Infantis, Lille, Newport, or Mbandaka, by date of illness onset*

June 4, 2013 Epi Curve: Persons infected with the outbreak strains of Salmonella Infantis, Lille, Newport, or Mbandaka, by date of illness onset

*n=98 for whom information was reported as of May 31, 2013

Illnesses that occurred after May 8, 2013 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.

May 10, 2013

Persons infected with the outbreak strains of Salmonella Infantis and Salmonella Mbandaka, by date of illness onset*

May 10, 2013 Epi Curve: Persons infected with the outbreak strains of Salmonella Infantis and Salmonella Mbandaka, by date of illness onset

*n=61 for whom information was reported as of May 7, 2013

Illnesses that occurred after April 15, 2013 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.

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