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Case Count Maps

Multistate Outbreak of Multidrug-Resistant Salmonella Heidelberg Infections Linked to Foster Farms Brand Chicken (Final Update)

Posted July 31, 2014 4:00 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.


Final Case Count Map

Persons infected with the outbreak strains of Salmonella Heidelberg, by State*

7-31-2014 Case Count Map: Persons infected with the outbreak strain of Salmonella Heidelberg, by State

*n=633 for whom information was reported as of July 24, 2014

A total of 634 individuals infected with the outbreak strains of Salmonella Heidelberg have been reported from 29 states and Puerto Rico. Most of the ill persons (77%) have been reported from California. The number of ill persons identified in each state is as follows: Alabama (1), Alaska (1), Arkansas (1), Arizona (25), California (490), Colorado (9), Connecticut (1), Delaware (1), Florida (4), Georgia (1), Hawaii (1), Idaho (5), Illinois (4), Kentucky (1), Louisiana (1), Michigan (4), Missouri (5), Montana (1), Nevada (11), New Mexico (2), North Carolina (1), Oregon (17), Puerto Rico (1), Tennessee (1), Texas (13), Utah (6), Virginia (4), Washington (20), West Virginia (1), and Wisconsin (1).

Previous Case Count Maps

July 4, 2014


Persons infected with the outbreak strains of Salmonella Heidelberg, by State*

7-4-2013 Case Count Map: Persons infected with the outbreak strain of Salmonella Heidelberg, by State

*n=621 for whom information was reported as of July 2, 2014

A total of 621 individuals infected with the outbreak strains of Salmonella Heidelberg have been reported from 29 states and Puerto Rico. Most of the ill persons (76%) have been reported from California. The number of ill persons identified in each state is as follows: Alabama (1), Alaska (1), Arkansas (1), Arizona (25), California (480), Colorado (9), Connecticut (1), Delaware (1), Florida (4), Georgia (1), Hawaii (1), Idaho (5), Illinois (1), Kentucky (1), Louisiana (1), Michigan (4), Missouri (5), Montana (1), North Carolina (1), Nevada (11), New Mexico (2), Oregon (17), Puerto Rico (1), Tennessee (1), Texas (13), Utah (6), Virginia (4), Washington (20), West Virginia (1), and Wisconsin (1).

May 27, 2014


Persons infected with the outbreak strains of Salmonella Heidelberg, by State*

5-27-2013 Case Count Map: Persons infected with the outbreak strain of Salmonella Heidelberg, by State

*n=574 for whom information was reported as of May 22, 2014

A total of 574 individuals infected with the outbreak strains of Salmonella Heidelberg have been reported from 27 states and Puerto Rico. Most of the ill persons (76%) have been reported from California. The number of ill persons identified in each state is as follows: Alaska (1), Arkansas (1), Arizona (25), California (441), Colorado (9), Connecticut (1), Delaware (1), Florida (4), Georgia (1), Hawaii (1), Idaho (5), Illinois (1), Kentucky (1), Louisiana (1), Michigan (4), Missouri (5), Montana (1), North Carolina (1), Nevada (11), New Mexico (2), Oregon (14), Puerto Rico (1), Tennessee (1), Texas (13), Utah (6), Virginia (4), Washington (17), and Wisconsin (1).

April 9, 2014


Persons infected with the outbreak strain of Salmonella Heidelberg, by State*

4-9-2013 Case Count Map: Persons infected with the outbreak strain of Salmonella Heidelberg, by State

*n=524 for whom information was reported as of April 7, 2014

A total of 524 individuals infected with the outbreak strains of Salmonella Heidelberg have been reported from 25 states and Puerto Rico. Most of the ill persons (76%) have been reported from California. The number of ill persons identified in each state is as follows: Alaska (1), Arkansas (1), Arizona (24), California (399), Colorado (9), Connecticut (1), Delaware (1), Florida (4), Hawaii (1), Idaho (5), Illinois (1), Kentucky (1), Louisiana (1), Michigan (4), Missouri (5), North Carolina (1), Nevada (10), New Mexico (2), Oregon (13), Puerto Rico (1), Tennessee (1), Texas (12), Utah (4), Virginia (4), Washington (17), and Wisconsin (1).

March 3, 2014


Persons infected with the outbreak strain of Salmonella Heidelberg, by State*

3-3-2014 Case Count Map: Persons infected with the outbreak strain of Salmonella Heidelberg, by State

*n=481 for whom information was reported as of February 28, 2014

A total of 481 individuals infected with the outbreak strains of Salmonella Heidelberg have been reported from 25 states and Puerto Rico. Most of the ill persons (76%) have been reported from California. The number of ill persons identified in each state is as follows: Alaska (1), Arkansas (1), Arizona (22), California (365), Colorado (9), Connecticut (1), Delaware (1), Florida (4), Hawaii (1), Idaho (5), Illinois (1), Kentucky (1), Louisiana (1), Michigan (3), Missouri (5), North Carolina (1), Nevada (10), New Mexico (2), Oregon (10), Puerto Rico (1), Tennessee (1), Texas (10), Utah (4), Virginia (4), Washington (16), and Wisconsin (1).

January 16, 2014


Persons infected with the outbreak strain of Salmonella Heidelberg, by State*

1-16-2013 Case Count Map: Persons infected with the outbreak strain of Salmonella Heidelberg, by State

*n=430  for whom information was reported as of January 15, 2014

A total of 430 individuals infected with the outbreak strains of Salmonella Heidelberg have been reported from 23 states and Puerto Rico. Most of the ill persons (74%) have been reported from California. The number of ill persons identified in each state is as follows: Alaska (1), Arkansas (1), Arizona (19), California (321), Colorado (9), Connecticut (1), Delaware (1), Florida (4), Idaho (5), Illinois (1), Kentucky (1), Louisiana (1), Michigan (3), Missouri (5), North Carolina (1), Nevada (10), New Mexico (2), Oregon (10), Puerto Rico (1), Texas (10), Utah (2), Virginia (4), Washington (16), and Wisconsin (1).

December 18, 2013


Persons infected with the outbreak strain of Salmonella Heidelberg, by State*

12-18-2013 Case Count Map: Persons infected with the outbreak strain of Salmonella Heidelberg, by State

*n=416 for whom information was reported as of December 18, 2013

A total of 416 individuals infected with the outbreak strains of Salmonella Heidelberg have been reported from 23 states and Puerto Rico. Most of the ill persons (74%) have been reported from California. The number of ill persons identified in each state is as follows: Alaska (1), Arkansas (1), Arizona (18), California (310), Colorado (9), Connecticut (1), Delaware (1), Florida (4), Idaho (4), Illinois (1), Kentucky (1), Louisiana (1), Michigan (3), Missouri (5), North Carolina (1), Nevada (10), New Mexico (2), Oregon (10), Puerto Rico (1), Texas (10), Utah (2), Virginia (3), Washington (16), and Wisconsin (1).

November 19, 2013


Persons infected with the outbreak strain of Salmonella Heidelberg, by State*

11-10-2013 Map of Persons infected with the outbreak strain of Salmonella Heidelberg, by State

*n=389 for whom information was reported as of November 15, 2013

A total of 389 individuals infected with the outbreak strains of Salmonella Heidelberg have been reported from 23 states and Puerto Rico. Most of the ill persons (74%) have been reported from California. The number of ill persons identified in each state is as follows: Alaska (1), Arkansas (1), Arizona (16), California (288), Colorado (7), Connecticut (1), Delaware (1), Florida (4), Idaho (4), Illinois (1), Kentucky (1), Louisiana (1), Michigan (3), Missouri (5), North Carolina (1), Nevada (10), New Mexico (2), Oregon (10), Puerto Rico (1), Texas (10), Utah (2), Virginia (3), Washington (15), and Wisconsin (1).

October 30, 2013


Persons infected with the outbreak strain of Salmonella Heidelberg, by State*

10-30-2013 Case Count Map: Persons infected with the outbreak strain of Salmonella Heidelberg, by State

*n=362 for whom information was reported as of October 29, 2013

A total of 362 individuals infected with the outbreak strains of Salmonella Heidelberg have been reported from 21 states and Puerto Rico. Most of the ill persons (74%) have been reported from California. The number of ill persons identified in each state is as follows: Alaska (1), Arkansas (1), Arizona (14), California (268), Colorado (7), Connecticut (1), Delaware (1), Florida (4), Idaho (3), Kentucky (1), Michigan (3), Missouri (5), North Carolina (1), Nevada (9), New Mexico (2), Oregon (9), Puerto Rico (1), Texas (11), Utah (2), Virginia (2), Washington (15), and Wisconsin (1).

October 18, 2013


Persons infected with the outbreak strain of Salmonella Heidelberg, by State*

10-18-2013 Case Count Map: Persons infected with the outbreak strain of Salmonella Heidelberg, by State

*n=338 for whom information was reported as of October 17, 2013

A total of 338 individuals infected with the outbreak strains of Salmonella Heidelberg have been reported from 20 states and Puerto Rico. Most of the ill persons (73%) have been reported from California. The number of ill persons identified in each state is as follows: Alaska (1), Arkansas (1), Arizona (14), California (252), Colorado (4), Connecticut (1), Florida (4), Idaho (2), Kentucky (1), Michigan (2), Missouri (5), North Carolina (1), Nevada (9), New Mexico (2), Oregon (9), Puerto Rico (1), Texas (9), Utah (2), Virginia (2), Washington (15), and Wisconsin (1).

October 11, 2013


Persons infected with the outbreak strain of Salmonella Heidelberg, by State*

10-11-2013 Case Count Map: Persons infected with the outbreak strain of Salmonella Heidelberg, by State

*n=317 for whom information was reported as of October 11, 2013

A total of 317 individuals infected with the outbreak strains of Salmonella Heidelberg have been reported from 20 states and Puerto Rico. Most of the ill persons (73%) have been reported from California. The number of ill persons identified in each state is as follows: Alaska (2), Arkansas (1), Arizona (13), California (232), Colorado (4), Connecticut (1), Florida (4), Idaho (2), Kentucky (1), Michigan (2), Missouri (5), North Carolina (1), Nevada (9), New Mexico (2), Oregon (8), Puerto Rico (1), Texas (9), Utah (2), Virginia (2), Washington (15), and Wisconsin (1).

October 7, 2013


Persons infected with the outbreak strain of Salmonella Heidelberg, by State*

10-7-2013 Case Count Map: Persons infected with the outbreak strain of Salmonella Heidelberg, by State

*n=278 for whom information was reported as of October 7, 2013

A total of 278 individuals infected with the outbreak strains of Salmonella Heidelberg have been reported from 17 states. Most of the ill persons (77%) have been reported from California. The number of ill persons identified in each state is as follows: Alaska (2), Arkansas (1), Arizona (11), California (213), Colorado (4), Connecticut (1), Florida (1), Hawaii (1), Idaho (2), Michigan (2), North Carolina (1), Nevada (8), Oregon (8), Texas (5), Utah (2), Washington (15), and Wisconsin (1).

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