Lettuce from Mexico sold at Taco Bells in 5 states identified as source of diarrhea-causing parasite

Federal health officials have identified lettuce from Mexico served at Taco Bell locations across five U.S. states as a source of the widespread outbreak of diarrhea-causing parasite cyclospora.

The Centers for Disease Control and Prevention late Thursday warned consumers not to eat shredded iceberg lettuce from Taco Bell restaurants in Indiana, Kentucky, Michigan, Ohio and West Virginia. A record number of cyclospora cases have been reported in more than 30 states, and experts have said not every recent U.S.

illness might be caused by a single source. A Food and Drug Administration investigation identified a single supplier of the lettuce. The federal warnings to consumers did not identify the company, but a federal official who was briefed on the investigation and not authorized to discuss it told The Associated Press it was Taylor Farms of Salinas, California.

Taylor Farms, which has been tied to foodborne outbreaks in the past, did not immediately respond to a request for comment. “FDA is working with the supplier of iceberg lettuce to determine if potentially contaminated shredded iceberg lettuce remains on the market,” including in other states, the CDC said. “Taco Bell has committed to stop using any lettuce from the supplier identified by FDA’s traceback investigation.”

In a statement, federal health officials stressed that other “brands, restaurants, retailers, or distribution channels” could be identified as the investigation continues. CDC, FDA and public health officials in several states have been investigating a multistate outbreak of cyclospora infections. More than 30 states have reported infections this year, and current data from them shows the number of infections surpassing the record U.

S. mark of about 4,700 set in 2019. The illness is not usually life threatening and is typically treated with antibiotics.

On Tuesday, ahead of the federal government’s confirmation, Taco Bell issued a statement saying it had “voluntarily and temporarily removed l