Source of E. coli-contaminated romaine lettuce still a mystery, FDA says

Source of E. coli-contaminated romaine lettuce still a mystery, FDA says  Washington Post E. coli outbreak: CDC says if you don't know source of romaine lettuce, don't eat it  CBS News People across the US are throwing away romaine lettuce due to an E. coli outbreak — here's how to avoid getting sick  Business Insider Case Count Maps | Investigation Notice: Multistate Outbreak of E. coli O157:H7 Infections April 2018 | E. coli | CDC  CDCFull coverage

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