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⬤ MEDIUM 07 Aug 2026, 10:06 UTC

Parasitic infection from Arizona farm produce causes thousands of US cases

The U.S. Centers for Disease Control and Prevention (CDC) recorded over 10,500 cases of cyclosporiasis between May 1 and August 3. An outbreak linked to fruits and vegetables from a single farm in Arizona drove the spike, with total national cases exceeding 12,000. The peak of the infection occurred in July. Cyclosporiasis: Cause and Symptoms Cyclosporiasis is a parasitic infection caused by *Cyclospora* protozoa. Transmission occurs through the consumption of contaminated water or food containing parasite oocysts. In the current outbreak, the infection has been linked to watermelons, melons, broccoli, and leafy greens. The clinical presentation typically includes:
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