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Cyclospora on the rise in New York: What to know about parasite causing severe stomach sickness

Symptoms include severe diarrhea, cramps, bloating, loss of appetite, weight loss and fatigue.

Lauren Pena

Jul 8, 2026, 7:24 AM

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Several states, including New York, are reporting an unusual spike in Cyclosporiasis.

The illness is caused by the parasite Cyclospora, which spreads through contaminated food or water.

It is often linked to pools, lakes and raw produce such as berries, herbs and salad mixes.

Symptoms include severe diarrhea, cramps, bloating, loss of appetite, weight loss and fatigue.

Experts say the symptoms usually begin around a week after becoming infected.

Between 31 and 80 cases have been confirmed in New York since May 1, according to the CDC.

The latest report from the CDC says 145 total cases have been reported countrywide.

However, health officials say the true number of people with the illness is likely higher.

Experts urge people to exercise caution when preparing and cleaning food.

They recommend washing one’s hands before cooking and thoroughly cleansing produce under running water.

Those experiencing diarrhea lasting more than a few days are also urged to visit the doctor.

For more information, click here.

RELATED: CDC monitoring a new parasite outbreak with 10 cases in New Jersey

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