Taylor Farms de Mexico lettuce sample tested positive for cyclospora, FDA said, as officials investigate a multistate outbreak of the parasite.

Nearly 7,000 cases nationwide are confirmed or under investigation, according to the CDC. Michigan has accounted for the bulk of cases so far.

Shredded iceberg lettuce supplied by Taylor Farms and sold at some Taco Bell restaurants has been linked to a multistate outbreak of cyclosporiasis, a source familiar with the…

Nearly 7,000 cases of cyclosporiasis have been reported across the country