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. Original article: https://www.reviewjournal.com/news/nation-and-world/lettuce-at-taco-bell-in-several-states-confirmed-as-a-source-of-diarrhea-causing-parasite-3851634/