Lettuce at Taco Bell in 5 states confirmed as a source of diarrhea-causing parasite

Federal health officials have identified shredded iceberg lettuce from Taco Bell in five U.S. states as the source of a cyclospora parasite outbreak. The CDC and FDA are investigating, and Taco Bell has halted using lettuce from the implicated supplier, Taylor Farms, while replacing it with a different supplier.