The World Health Organization is monitoring the rapid spread of the microscopic parasite Cyclospora, which causes prolonged and severe gastrointestinal issues known as cyclosporiasis. The main symptom is watery diarrhea lasting weeks or months, accompanied by abdominal cramps, bloating, fatigue, weight loss, and is particularly dangerous for those with weakened immune systems. The outbreak is primarily centered in the United States, where nearly 200 cases were reported across 17 states by mid-June 2026, with New York, Texas, and Illinois being the most affected. The infection season typically runs from May to August due to warmer temperatures. Cases have also been recorded in 16 European countries, prompting health authorities to closely monitor the situation. Most patients require antibiotic treatment, and approximately 20% of infected individuals required hospitalization, though no deaths have been reported yet. The parasite spreads through the fecal-oral route via contaminated food or water, often linked to fresh produce washed with contaminated water or contact with infected animals or humans. Travelers unknowingly spreading the infection during the incubation period or while患病
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