Taylor Farms lettuce remains the focus of cyclosporiasis investigation, despite false positive test

By Brenda Goodman, CNN (CNN) — Health officials investigating the large outbreak of diarrhea caused by the parasite cyclospora say they have “very strong” evidence that shredded iceberg lettuce supplied by Taylor Farms is the likely source, despite a false positive test for the parasite over the weekend. “FDA’s traceback investigation and outbreak data continue