Pakistan, July 4 -- Health authorities in the United States are monitoring a rise in infections caused by the parasite Cyclospora, which has been linked to contaminated fresh produce and can trigger prolonged diarrheal illness.

According to the US Centers for Disease Control and Prevention (CDC), 145 laboratory-confirmed cases were reported across 17 states between May 1 and June 16. At least 20 people have been hospitalised, although no deaths have been reported.

Cyclospora is a microscopic parasite that can contaminate fresh fruits and vegetables. Infection, known as cyclosporiasis, commonly causes severe diarrhea, stomach cramps, nausea, fatigue, loss of appetite and weight loss. Symptoms may last for several weeks if left untreated....