Health officials identify source of US explosive diarrhoea outbreak BBCLettuce Supplier Linked to Cyclospora Outbreak Is a Global Salad Giant WSJTaylor Farms lettuce sample tests positive for Cyclospora as recall expands Fox BusinessTaylor Farms Expands Iceberg Lettuce Recall to 27 States Amid Cyclospora Outbreak The New York TimesTaylor Farms recalls lettuce shipped to 27 states over cyclospora risk The Denver Post