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Meritus Public Health Advisory: Cyclosporiasis prevention, treatment
July 16, 2026 - Press Release
As cases of cyclosporiasis increase in Maryland, Meritus Health officials are urging residents to take precautions against the foodborne illness and seek treatment if symptoms develop.
"Cyclosporiasis is not spread from person to person. People become infected by consuming contaminated food," said Anand Budi, M.D., chief medical officer for Meritus Health.
Cyclosporiasis is caused by the parasite Cyclospora cayetanensis, which is commonly linked to contaminated fresh produce, including berries, basil, leafy greens and other fruits and vegetables.
The current outbreak is unusual because cyclosporiasis is often associated with international travel, particularly outside the United States, Dr. Budi said. Since May 1, the Centers for Disease Control and Prevention has received reports of 1,645 confirmed domestically acquired cases and is reviewing more than 5,100 additional cases.
The Maryland Department of Health has reported 69 cases in the state, and Dr. Budi said he has heard anecdotally of a few cases being treated by physicians in Washington County.
To reduce the risk of infection, Dr. Budi recommends thoroughly washing fresh produce under running water, washing hands before preparing or eating food, and refrigerating perishable items promptly. He also advises properly cleaning food preparation and dining areas, especially when eating outdoors.
Symptoms typically appear two to 14 days after exposure and may include watery diarrhea, frequent bowel movements, severe fatigue, loss of appetite, weight loss, bloating, increased gas, stomach cramps, nausea, vomiting and low-grade fever. Symptoms can last a week or longer and, without treatment, may come and go for several weeks.
Fortunately, cyclosporiasis can be effectively treated with prescription antibiotics, Dr. Budi said. Anyone experiencing symptoms should consult a healthcare provider for evaluation and treatment.
"Adequate fluids are important, especially during the hot weather we're experiencing in our area," he said. "Staying hydrated can help prevent complications from diarrhea and other symptoms."
To learn more about cyclosporiasis, visit www.meritushealth.com/cyclosporiasis.