Taco Bell has removed shredded iceberg lettuce from its restaurants after US health authorities linked the ingredient to a multistate outbreak of cyclospora, a parasitic infection that causes prolonged diarrhoea and other gastrointestinal symptoms.

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…

The locations were in Indiana, Kentucky, Michigan, Ohio and West Virginia