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What are pinworms in humans?

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Pinworm infections occur in all socioeconomic groups; however, human-to-human spread is favored by close, crowded living conditions. Spread among family members is common. Animals do not harbor pinworms - humans are the only natural host for this parasite. The most common symptom of pinworms is an itchy rectal area. read more

Pinworms are the cause of a highly contagious intestinal infection in humans. Pinworm infection is most common in children between the ages of 5 and 10, people who live in institutions, and those who have close contact with these groups. read more

There is evidence that Dientamoeba fragilis, a "protozoan parasite" of humans, is transmitted among humans in the eggs of pinworms. Thus, pinworm and Dientamoeba infections may occur simultaneously. Pinworm infections are detected by finding the eggs or worms on the perianal skin. read more

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