Outbreak of diarrhea from parasite expands to more states as US cases soar beyond last year’s level
- Posted on July 14, 2026
- By CNN
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- 1 min read
A significant parasitic infection outbreak is sweeping across multiple U.S. states, with cyclosporiasis cases reaching unprecedented numbers. The CDC reports 1,645 confirmed infections since May, alongside over 5,100 suspected cases under investigation. This surge substantially exceeds previous year totals, raising public health concerns. The intestinal parasite, typically transmitted through contaminated food or water, triggers severe diarrheal illness. Health authorities are actively monitoring the situation and urging consumers to practice food safety precautions while epidemiologists work to identify outbreak sources and prevent further transmission.
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