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Thursday, July 2, 2026

Cyclospora outbreak with 145 cases underway in 17 US states since May 2026.

“An outbreak of Cyclospora cayetanensis is currently underway in the United States, with 145 confirmed cases reported across 17 states since May 2026 as of June 16. * Case Details: The parasite causes cyclosporiasis, a severe gastroenteric disease characterized by explosive, watery diarrhea, severe”

Health & Medicine

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Consensus

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5 sources · 5 support

What we can confirm

Authoritative public health data from CDC as of June 16, 2026 confirm that 145 domestically acquired cases of cyclosporiasis caused by Cyclospora cayetanensis were reported across 17 U.S. states with illness onset since May 1, 2026, and that the infection is a gastrointestinal disease characterized by severe, often explosive, watery diarrhea; however, CDC clarifies this figure represents overall surveillance counts and not a single unified outbreak event.

Sources

1.
cdc.gov
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2.
today.com
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3.
medicaldaily.com
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4.
nypost.com
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5.
afludiary.blogspot.com
supportsAggregator

Checked July 2, 2026 · we'll re-check as this develops

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An outbreak of Cyclospora cayetanensis, a stomach-churning parasite that causes explosive watery diarrhea, is underway. This comes after RFK Jr. downsized the CDC unit that monitors parasitic illnesses.

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