Test that found source of US explosive diarrhoea outbreak was false positive, health officials…

Core point

The Food and Drug Administration (FDA) reported that a sample from Taylor Farms tested positive for cyclospora. However, the FDA later determined this result to be a false positive. At least 94 people have been hospitalized due to cyclosporiasis infections linked to the outbreak. Taylor Farms is voluntarily removing all iceberg lettuce sourced from central Mexico from the US market.