date:Jul 16, 2018
A final CDC investigation update of the multi-state outbreak of E. coli O157:H7 infections linked to Romaine lettuce has been posted. The conclusions are as follows:
As of June 28, 2018, this outbreak appears to be over.
CDC laboratory testing identified the outbreak strain of E. coli O157:H7 in canal water samples taken from the Yuma growing region.
The U.S. Food and Drug Administration (FDA) is continuing to investigate the outbreak to learn more about how the E. coli bacteria could have ent