Pinworms are particularly common in children, with prevalence rates in this age group having been reported as high as 61% in India, 50% in England, 39% in Thailand, 37% in Sweden, and 29% in Denmark.
Os oxiúiros son especialmente comúns en nenos, cunha prevalencia neste grupo de idade do 61% en India, 50% en Inglaterra, 39% en Tailandia, 37% en Suecia, e 29% en Dinamarca, por exemplo.