US health officials linked iceberg lettuce served at Taco Bell to an outbreak of the parasite cyclospora, which causes “explosive” diarrhea. Health officials warn that the contamination may go beyond the fast-food chain.
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US health officials linked iceberg lettuce served at Taco Bell to an outbreak of the parasite cyclospora, which causes “explosive” diarrhea. Health officials warn that the contamination may go beyond the fast-food chain.