Cyclospora surge rattles North Carolina
2026-07-04
Explosive diarrhea is a blunt phrase, but health officials say it fits. Cyclospora, a microscopic parasite transmitted through contaminated food or water, has been linked to more than 60 confirmed infections across North Carolina, a tally that has climbed steadily in recent weeks and now spans multiple counties.
What worries epidemiologists is not drama, but pattern. Cyclospora cayetanensis infects the small intestine, triggering watery diarrhea, cramping, nausea, and fatigue; in some patients, symptoms cycle for weeks without targeted antimicrobial therapy such as trimethoprim-sulfamethoxazole. The parasite’s oocysts must mature in the environment before becoming infectious, which points investigators toward a shared produce source rather than person-to-person spread.
The uncomfortable truth is that salad, not sewage, is the prime suspect. Past outbreaks in other states have traced Cyclospora to fresh cilantro, basil, berries, or bagged greens imported from regions where sanitary infrastructure and irrigation practices vary widely. North Carolina laboratories are using polymerase chain reaction assays to confirm cases, while state and federal teams interview patients about grocery receipts and restaurant meals, trying to triangulate a common ingredient before the summer produce season pushes more of it onto plates.
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