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News From the Centers for Disease Control and Prevention
July 10, 2013

Ascariasis Cases on Maine Farms Prompt Food Safety Concerns

JAMA. 2013;310(2):135. doi:10.1001/jama.2013.7735

A cluster of ascariasis cases linked with 7 farms in Maine raises concerns about foodborne illness transmission from small-scale agricultural operations.

Ascariasis, a parasitic roundworm infection caused by Ascaris species, is the most common human intestinal worm infection globally. The Centers for Disease Control and Prevention (CDC) estimate that between 807 million and 1.2 billion people worldwide are infected. Cases often are asymptomatic, but symptoms can include abdominal discomfort, cough, intestinal blockage, or impaired growth in children. Infection is transmitted by the fecal-oral route.

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