CDC seeks source of parasitic outbreak linked to ‘explosive’ diarrhea in multiple states

(NewsNation) – The Centers for Disease Control and Prevention (CDC) is working to find the source of a parasitic illness that’s spreading across the country.

At least 145 cases of cyclosporiasis have been reported across 17 states. About 20 people have been hospitalized after suffering severe symptoms. Public health teams are investigating several clusters of cases reported in New York, Illinois and Texas.

Map of cyclosporiasis cases confirmed by the CDC, as of May 1, 2026. (Source: CDC)

New York has been the hardest hit, with 31 to 80 people sickened there since the outbreak began, according to Nexstar’s WPIX.

Other states linked to the outbreak include Alaska, Colorado, Connecticut, Florida, Georgia, Louisiana, Massachusetts, New Jersey,........

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