Event Brief
UPDATED Jul 21, 2026 at 11:00 AM ET
Jul 20, 2026 at 6:00 AM ET
FDA says Cyclospora lettuce alert was false positive
By The BriefBrief
FDA said a reported Cyclospora detection in Mexico lettuce was a false positive.
WHO: FDA
WHAT: FDA said a Cyclospora detection in lettuce from Mexico was a false positive.
WHEN: Jul 20, 2026 at 1:38 PM ET
WHERE: Mexico
WHY: Cause not yet established.
How this story developed (showing 4 of 4 earlier reports)
Reporting from 11 identified publishers across this event arc.
View all 11 publishers
Publishers represented across this event arc
These publishers contributed reporting to the broader event history. Not every source addresses the specific development described above.
How this brief is built: The BriefBrief correlates multiple sources into one evolving event brief, updated as new facts emerge.
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