Cyclospora Outbreak Spreading in the US: What to Know
A parasitic infection causing prolonged severe diarrhea is spreading across the US. Here's how to protect yourself.
A parasitic infection known as cyclospora is spreading across the United States, raising public health concerns as cases of the intestinal illness climb. The disease, caused by the Cyclospora cayetanensis parasite, is capable of triggering weeks of severe, watery diarrhea along with other debilitating gastrointestinal symptoms that can seriously disrupt daily life.
Cyclospora infections are typically linked to consuming contaminated fresh produce or water. Unlike many common foodborne illnesses that resolve within days, cyclospora can persist for weeks or even months if left untreated, making early recognition and medical intervention especially critical for affected individuals.
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Healthcare providers can diagnose cyclospora through stool testing, and the infection is generally treatable with antibiotics. However, the illness can be particularly dangerous for individuals with weakened immune systems, the elderly, and young children, for whom prolonged diarrhea can rapidly lead to dehydration and serious complications.
Public health experts urge Americans to carefully wash fresh fruits and vegetables before consuming them, avoid drinking untreated water from natural sources, and seek medical attention promptly if symptoms of prolonged diarrhea or gastrointestinal distress develop. Travelers to tropical and subtropical regions where cyclospora is endemic face heightened risk and should exercise additional caution with food and water sources.
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