STAT | Reporting from the frontiers of health and medicine Follow U.S. health officials are investigating a new outbreak of a diarrhea-causing parasite Federal health officials are investigating a new outbreak involving the diarrhea-causing parasite cyclospora. https://www.statnews.com/2026/07/23/cyclospora-second-outbreak-reported-fda-cites-72-new-cases/ statnews.com