Federal health officials have identified lettuce from Mexico served at Taco Bell locations across five US states as a source of a widespread outbreak of the diarrhea-causing parasite cyclospora.The US Centers for Disease Control and Prevention (CDC) on Thursday warned consumers not to eat shredded

Michigan, which is where much of the outbreak is centered, has reported over 4,300 cases of cyclosporiasis, which can cause diarrhea and a low grade fever.

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…