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  1. The prevalence of Trichuris, Ascaris and hookworm infection in Orang Asli children.

    Article - En anglais

    A community study on the age and sex related prevalence, intensity infection and frequency distribution of Ascaris, Trichuris and hookworm was carried out in 205 Orang Asli (Aborigines) children (95 boys, 110 girls) aged 1-13 years.

    The overall prevalence of Ascaris, Trichuris and hookworm was 62.9%, 91.7% and 28.8%, respectively.

    Almost two-thirds of the children were infected with moderate and severe intensity infection of Trichuris. 46.3% had moderate to severe intensity infection of Ascaris.

    However only 1.5% had moderate intensity of hookworm infection.

    The prevalence and mean intensity infection (measured by eggs per g) of Ascaris was age-dependent ; lower in age group 1-4 years reached peak and stable at age group 5 years and above.

    The prevalence of Trichuris was high in all age groups and it fluctuated with age ; the mean intensity of infection of Trichuris (measured by eggs per g) was age-dependent.

    Hookworm infection also rose with age and reached peak at 5-6 years, following that the prevalence declined.

    The frequency distributions of Ascaris, and hookworm were overdispersed.

    A strong positive correlation (p<0.001) were observed between Ascaris and Trichuris and between hookworm and Trichuris.

    A positive correlation (p<0.01) were also observed between Ascaris and hookworm.

    Mots-clés Pascal : Ankylostomiase, Nématodose, Helminthiase, Parasitose, Infection, Ascaridiase, Trichuris trichiura, Nematoda, Nemathelminthia, Helmintha, Invertebrata, Prévalence, Enfant, Homme, Malaisie, Asie, Distribution, Intensité, Epidémiologie

    Mots-clés Pascal anglais : Hookworm infection, Nematode disease, Helminthiasis, Parasitosis, Infection, Ascariasis, Trichuris trichiura, Nematoda, Nemathelminthia, Helmintha, Invertebrata, Prevalence, Child, Human, Malaysia, Asia, Distribution, Intensity, Epidemiology

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 97-0469931

    Code Inist : 002B05E03B5. Création : 03/02/1998.