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

Posted October 21, 2014 12:45 PM ET

This outbreak appears to be over. However, live poultry, including those kept in backyard flocks, remain 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, Newport, or Hadar by date of illness onset*

Persons infected with the outbreak strains of Salmonella Infantis, Newport, or Hadar by date of illness onset as of October 14, 2014

*n=361 for whom information was reported as of October 14, 2014

« Read the full Outbreak Investigation

Previous Epi Curves

September 25, 2014

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

Persons infected with the outbreak strains of Salmonella Infantis, Newport, or Hadar by date of illness onset as of September 23, 2014

*n=344 for whom information was reported as of September 23, 2014

Illnesses that occurred after August 24, 2014 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.

August 8, 2014

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

Persons infected with the outbreak strains of Salmonella Infantis, Newport, or Hadar by date of illness onset as of August 5, 2014

*n=300 for whom information was reported as of August 5, 2014

Illnesses that occurred after July 8, 2014 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 27, 2014

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

Persons infected with the outbreak strains of Salmonella Infantis or Newport, by date of illness onset as of June 25, 2014

*n=249 for whom information was reported as of June 25, 2014

Illnesses that occurred after May 28, 2014 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 30, 2014

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

Persons infected with the outbreak strains of Salmonella Infantis or Newport, by date of illness onset as of May 27, 2014

*n=126 for whom information was reported as of May 27, 2014

Illnesses that occurred after May 3, 2014 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 8, 2014

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

Persons infected with the outbreak strains of Salmonella Infantis or Newport, by date of illness onset as of May 7, 2014

*n=60 for whom information was reported as of May 7, 2014. Illnesses that occurred after April 11, 2014 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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