Map of Reported Cases
Final Update
Posted January 15, 2020 at 3:00 PM ET
This outbreak appears to be over. CDC is no longer advising that people avoid romaine lettuce from the Salinas Valley growing region in California. E. coli is an important cause of 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 E. coli and Food Safety web page.
People infected with the outbreak strain of E. coli O157:H7, by state of residence, as of January 13, 2020 (n=167)
| State | Ill People |
|---|---|
| Arizona | 4 |
| California | 8 |
| Colorado | 6 |
| Delaware | 1 |
| Florida | 4 |
| Iowa | 1 |
| Idaho | 4 |
| Illinois | 15 |
| Maryland | 5 |
| Michigan | 2 |
| Minnesota | 7 |
| Montana | 1 |
| North Carolina | 3 |
| Nebraska | 2 |
| New Jersey | 9 |
| New Mexico | 2 |
| New York | 3 |
| Ohio | 12 |
| Oregon | 1 |
| Pennsylvania | 21 |
| South Carolina | 1 |
| South Dakota | 1 |
| Tennessee | 1 |
| Texas | 6 |
| Virginia | 6 |
| Washington | 6 |
| Wisconsin | 35 |
| Total | 167 |
Previous Maps
People infected with the outbreak strain of E. coli O157:H7, by state of residence, as of December 17, 2019 (n=138)
| State | Ill People |
|---|---|
| Arizona | 3 |
| California | 4 |
| Colorado | 6 |
| Florida | 2 |
| Idaho | 3 |
| Illinois | 10 |
| Iowa | 1 |
| Maryland | 5 |
| Michigan | 1 |
| Minnesota | 5 |
| Montana | 1 |
| Nebraska | 2 |
| New Jersey | 9 |
| New Mexico | 2 |
| North Carolina | 2 |
| Ohio | 12 |
| Oregon | 1 |
| Pennsylvania | 17 |
| South Carolina | 1 |
| South Dakota | 1 |
| Tennessee | 1 |
| Texas | 6 |
| Virginia | 6 |
| Washington | 4 |
| Wisconsin | 33 |
| Total | 138 |
People infected with the outbreak strain of E. coli O157:H7, by state of residence, as of December 2, 2019 (n=102)
| State | Ill People |
|---|---|
| Arizona | 3 |
| California | 4 |
| Colorado | 6 |
| Florida | 1 |
| Idaho | 3 |
| Illinois | 1 |
| Iowa | 1 |
| Maryland | 4 |
| Michigan | 1 |
| Minnesota | 3 |
| Montana | 1 |
| Nebraska | 1 |
| New Jersey | 7 |
| New Mexico | 2 |
| North Carolina | 1 |
| Ohio | 12 |
| Oregon | 1 |
| Pennsylvania | 8 |
| South Dakota | 1 |
| Texas | 4 |
| Virginia | 4 |
| Washington | 2 |
| Wisconsin | 31 |
| Total | 102 |
People infected with the outbreak strain of E. coli O157:H7, by state of residence, as of November 25, 2019 (n=67)
| State | Ill People |
|---|---|
| Arizona | 3 |
| California | 4 |
| Colorado | 1 |
| Idaho | 3 |
| Illinois | 1 |
| Maryland | 4 |
| Michigan | 1 |
| Minnesota | 3 |
| Montana | 1 |
| Nebraska | 1 |
| New Jersey | 1 |
| New Mexico | 2 |
| Ohio | 12 |
| Oregon | 1 |
| Pennsylvania | 3 |
| Texas | 2 |
| Virginia | 2 |
| Washington | 1 |
| Wisconsin | 21 |
| Total | 67 |
People infected with the outbreak strain of E. coli O157:H7, by state of residence, as of November 21, 2019 (n=40)
| State | Ill People |
|---|---|
| Arizona | 2 |
| California | 4 |
| Colorado | 1 |
| Idaho | 3 |
| Illinois | 1 |
| Maryland | 3 |
| Michigan | 1 |
| Minnesota | 1 |
| Montana | 1 |
| New Jersey | 1 |
| New Mexico | 2 |
| Ohio | 5 |
| Pennsylvania | 3 |
| Virginia | 1 |
| Washington | 1 |
| Wisconsin | 10 |
| Total | 40 |
People infected with the outbreak strain of E. coli O157:H7, by state of residence, as of November 18, 2019 (n=17)
| State | Ill People |
|---|---|
| Arizona | 1 |
| California | 2 |
| Colorado | 1 |
| Idaho | 3 |
| Maryland | 2 |
| Montana | 1 |
| Washington | 1 |
| Wisconsin | 6 |
| Total | 17 |
Page last reviewed: January 15, 2020
