Samples of canal water in the Yuma area of Arizona were found to contain the same genetic strain of E. coli that caused the outbreak, but how it got there is unclear.
JULIA JACOBS, New York Times
Sun, 07/01/2018 - 8:53am
Samples of canal water in the Yuma area of Arizona were found to contain the same genetic strain of E. coli that caused the outbreak, but how it got there is unclear.