In an update released by the FDA, the agency has published the findings of an investigation into the contamination of romaine lettuce implicated in three outbreaks of E. coli O157:H7 during Fall 2019.
The FDA, CDC and state partners investigated the contamination of romaine lettuce with several strains of E. coli O157:H7 that resulted in three outbreaks of foodborne illness traced back to the Salinas Valley growing region in California. These two multi-state outbreaks and one single-state outbreak, beginning in September and ending in December 2019, collectively resulted in 188 people falling ill.