U.S. health officials admitted on July 20, 2026 that lettuce from Taylor Farms tested positive for cyclospora parasite but later found the lab findings incorrect. Problems inside the testing lab, not because the lettuce was bad. The confusion worry grew about a wider outbreak hitting many U.S. states. Patient counts kept climbing while authorities searched for the genuine source. Taylor Farms lettuce faces no fault. The investigation for the actual cause keeps moving.