Case Count Maps
Posted December 22, 2015 11:00 AM ET
This 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 web page.
People infected with the outbreak strain of E. coli O157:H7, by state of residence, as of December 18, 2015 (n=19)

State | Ill People |
---|---|
California | 1 |
Colorado | 4 |
Missouri | 1 |
Montana | 6 |
Utah | 5 |
Virginia | 1 |
Washington | 1 |
Previous Case Count Maps
People infected with the outbreak strain of E. coli O157:H7, by state of residence, as of November 23, 2015 (n=19)
State | Ill People |
---|---|
California | 1 |
Colorado | 4 |
Missouri | 1 |
Montana | 6 |
Utah | 5 |
Virginia | 1 |
Washington | 1 |
Page last reviewed: November 24, 2015