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Case Count Maps

Posted August 1, 2014 2:15 PM ET

This particular outbreak appears to be over. However, E. coli is still an important cause of human illness in the United States. More information about E. coli, and steps people can take to reduce their risk of infection, can be found on the CDC E. coli General Information web page.

Persons infected with the outbreak strain of E. coli O121, by state*

July 31, 2014: Map of Persons infected with the outbreak strain of E. coli O121, by state.

*n=19 for whom information was reported as of July 31, 2014.

A total of 19 persons infected with the outbreak strains of E. coli O121 were reported from six states. The number of ill persons reported from each state was as follows: California (1), Idaho (3), Michigan (1), Montana (2), Utah (1), and Washington (11).

Previous Case Count Maps

June 27, 2014

Persons infected with the outbreak strain of E. coli O121, by state*

June 27, 2014: Map of Persons infected with the outbreak strain of E. coli O121, by state

*n=18 for whom information was reported as of June 27, 2014

A total of 18 persons infected with the outbreak strains of E. coli O121 have been reported from five states. The number of ill persons reported from each state is as follows: Idaho (3), Michigan (1), Montana (2), Utah (1), and Washington (11).

June 10, 2014

Persons infected with the outbreak strain of E. coli O121, by state*

June 9, 2014: Map of Persons infected with the outbreak strain of E. coli O121, by state

*n=17 for whom information was reported as of June 9, 2014

A total of 17 persons infected with the outbreak strains of E. coli O121 have been reported from five states. The number of ill persons reported from each state is as follows: Idaho (3), Michigan (1), Montana (2), Utah (1), and Washington (10).

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