Cyclosporiasis Sickens Dozens Across U.S. States With 20 Hospitalizations

Dozens of people in the United States have been sickened by cyclosporiasis as of July 3, 2026, with at least 20 hospitalizations reported nationwide and no deaths, @NBCNews reported. Between May 1 and June 16, 2026, 145 cases were recorded across 17 states, with New York reporting the highest number followed by Illinois and Texas; patients ranged in age from 5 to 86 years.

Since June 22, 2026, more than 170 cases have been identified in southeast Michigan across Monroe, Lenawee, Washtenaw, Wayne, Livingston, Shiawassee and Jackson counties.

Michigan typically records about 50 cyclosporiasis cases per year, making the recent increase unusual, according to the Michigan Department of Health and Human Services. The CDC stated on July 1, 2026, that there is no evidence of a single multi-state outbreak linking all cases. The agency is working with the U.S.

Food and Drug Administration and local officials to investigate clusters in multiple states. All infected individuals became sick after eating food in the United States and none reported international travel in the weeks prior. The source of the infections has not been identified.

Cyclosporiasis cases in the United States usually peak between May and August, and the country typically sees several hundred cases annually. In 2019, 4,703 cases were identified. Cyclosporiasis is caused by the parasite Cyclospora cayetanensis.

In the United States, outbreaks have been linked to fresh fruits and vegetables including basil, cilantro, raspberries and snow peas.