Lettuce at Taco Bell in 5 US states confirmed as a source of diarrhoea-causing parasite
US health officials have identified lettuce served at Taco Bell restaurants across five states as one of the sources of a widespread outbreak of the diarrhoea-causing parasite cyclospora. The US Centers for Disease Control and Prevention (CDC) issued a warning to consumers on Thursday evening, local time, warning them not to eat shredded iceberg lettuce…