Intestinal parasites among Karitiana Indians from Rondônia State, Brazil.
Gravity sedimentation parasitological examinations were performed in stool samples from 111 Karitiana Indians from Rondônia State, Brazilian Amazon Basin. Intestinal parasites were found in 43 samples (38.7%). Ascaris lumbricoides was the most prevalent helminth species (18.9%). Egg counts in samples positive for Ascaris suggested an overdispersed distribution of worm burdens in the host population. Age-distribution pattern of intestinal parasites among Karitiana Indians was found to be rather unusual: the highest prevalence (60.0%) was detected in the 12- to 16-year-old age group.
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Fundação Nacional do Indio (FUNAI), Porto Velho, RO, Brazil.
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Camargo
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D000293:Adolescent; D017677:Age Distribution; D001938:Brazil / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D005243:Feces / Q000469:parasitology; D006801:Humans; D007199:Indians, South American; D007223:Infant; D007411:Intestinal Diseases, Parasitic / Q000208:ethnology* / Q000469:parasitology; D010270:Parasite Egg Count; D015995:Prevalence