E. coli-Tainted Lettuce Traced To Origin

The lettuce that, in 2006, made 80 people ill with E. coli poisoning, came from a California farm, Wegis Ranch, adjacent to two dairies, according to a government investigation discussed in the San Francisco Chronicle.

The people made sick ate at Taco John's restaurants in Minnesota or Iowa, but the lettuce came from California.

The E. coli strain matched those found at the farm and the adjacent dairy farms, according to the account in the Chronicle. It's possible that contaminated wastewater from the dairies was sprayed on the lettuce fields.

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