If you’ve heard about rising cases of explosive diarrhea in the last couple of months, the cause may be in the produce. The Centers for Disease Control and Prevention is actively investigating a rising outbreak of cyclosporiasis, a gastrointestinal illness linked to contaminated food and water. As of early July 2026, the CDC reported 843 confirmed domestic cases across 31 states, including one confirmed case in Arkansas.
HOW BAD IS IT?
The domestic cases, which began emerging on May 1, have resulted in 86 hospitalizations, with zero deaths reported. The CDC cautions that the true number of infections is likely higher, as many individuals recover without medical care and there is typically a six-week lag between illness onset and official reporting.
WHICH STATES?
The Arkansas Department of Health confirmed the single case in the state this year, and health experts are working to determine if it is tied to the national outbreak. Several neighboring states have also reported infections, including Texas with 31 to 80 cases, Tennessee with 11 to 30 cases, and Louisiana with up to 10 cases.
WHAT CAUSES IT?
Cyclosporiasis is caused by a microscopic parasite transmitted by consuming food or water contaminated with feces. While officials have not yet linked the current outbreak to a specific grower or supplier, previous outbreaks have been associated with fresh produce such as raspberries, basil, cilantro, snow peas, and lettuce.
WHAT SYMPTOMS?
The most common symptoms are watery diarrhea, loss of appetite, weight loss, cramping, nausea, and fatigue. While most people recover within days, some infections may require antibiotics.
HOW DO I PREVENT IT?
To reduce the risk of illness, the CDC recommends that consumers
- wash your hands thoroughly with soap and water before preparing food, and
- wash all fruits and vegetables under running water, or even soak in vinegar if it’s food that won’t be cooked.
- Because the parasite is resistant to routine chemical disinfection, experts advise cooking produce to at least 158 degrees Fahrenheit to kill the organism.
- Additionally, any cut, peeled, or cooked fruits and vegetables should be refrigerated within two hours.
WHAT IF I MIGHT HAVE IT?
The Arkansas Department of Health has a page dedicated to cyclosporiasis where you can get facts on Transmission, Prevention, Symptoms, as well as how to Report if you think you may have it, and other resources. https://healthy.arkansas.gov/programs-services/diseases-conditions/communicable-diseases/cyclosporiasis/
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