date:Nov 22, 2018
tched the strain of the outbreak. Water from 14 locations, including discharge, reservoir and canal water, was also tested. The environmental assessment found pervasive contamination in the water. But here was the big problem, said Harris: There was no smoking gun. We dont know how the E.coli got into the water, and we dont know how the water got onto the lettuce. He added that additional research is needed, and that government and non-government work must continue to identify the source.
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