Cyclospora Outbreak 2026: FDA Warning as Cases Surge Across 20 States

The FDA has issued a public health warning as cases of Cyclospora infection have surged across 20 states in July 2026, with over 800 confirmed cases and 150 hospitalizations reported. The parasite, linked to contaminated produce, has prompted an urgent investigation.

Cyclospora is a parasite that causes intestinal illness, with symptoms including severe diarrhea, nausea, fatigue, and abdominal cramps. The illness can last for weeks and may require antibiotic treatment.

This outbreak is the largest since 2023, when a similar outbreak affected 500 people in 15 states. Health officials are working to identify the specific contaminated products.

States Affected by the Cyclospora Outbreak

How to Protect Yourself

The FDA advises consumers to wash all produce thoroughly and avoid imported greens until the investigation is complete. High-risk individuals, including the elderly and those with weakened immune systems, should take extra precautions.

"We are working with our partners to identify the source of this outbreak," said FDA Commissioner Robert Califf. "We urge consumers to follow safety guidelines and seek medical attention if they experience symptoms."

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Frequently Asked Questions

What is Cyclospora?
A parasite that causes intestinal illness.

How many states are affected?
20 states.

How many cases have been reported?
800 confirmed cases.

What are the symptoms?
Diarrhea, nausea, fatigue, and abdominal cramps.

How can I protect myself?
Wash all produce thoroughly and avoid imported greens.