A microscopic intestinal parasite has sickened 145 people across 17 states since May 1, 2026, and federal investigators have not yet identified the food source.
According to CDC surveillance data, 145 domestically acquired Cyclospora cases were confirmed as of mid-June 2026, with a median illness onset of May 19. Three people have been hospitalized. No deaths have been reported. The FDA's active outbreak investigations table lists the investigation as ongoing.
