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The distribution of intestinal helminth infections in a rural village in Guatemala
Mem. Inst. Oswaldo Cruz ; 88(1): 53-65, jan.-mar. 1993. tab, ilus
Artigo em Inglês | LILACS | ID: lil-117651
ABSTRACT
Fecal egg count scores were used to investigate the distribution and abundance of intestinal helminths in the population of a rural village. Prevalences of the major helminths were 41% with Ascaris lumbricoides 60% with Trichuris trichiura and 50% with Necator americanus. All three parasites showed a highly aggregated distribution among hosts. Age/prevalence and age/intensity profiles were typical for both A. lumbricoides and T. trichiura with the highest worm burdens in the 50-10 year old children. For hookworm both prevalence and intensity curves were convex in shape with maximum infection levels in the 30-40 year old age class. Infected females had higher burdens of T. trichiura than infected males in all age classes of the population; there were no other effects of host gender. Analysis of associations between parasites within hosts revealed strong correlations between A. lumbricoides and T. lumbricoides and T. trichiura. Individuals with heavy infections of A. lumbricoides and T. trichiura showed highly significant aggregation within households. Associations between a variety of household features and heavy infections with A. lumbricoides and T. trichiura are described
Assuntos
Texto completo: DisponíveL Índice: LILACS (Américas) Assunto principal: Ascaríase / Tricuríase / Necatoríase Tipo de estudo: Fatores de risco Limite: Humanos País/Região como assunto: América Central / Guatemala Idioma: Inglês Revista: Mem. Inst. Oswaldo Cruz Assunto da revista: Medicina Tropical / Parasitologia Ano de publicação: 1993 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: LILACS (Américas) Assunto principal: Ascaríase / Tricuríase / Necatoríase Tipo de estudo: Fatores de risco Limite: Humanos País/Região como assunto: América Central / Guatemala Idioma: Inglês Revista: Mem. Inst. Oswaldo Cruz Assunto da revista: Medicina Tropical / Parasitologia Ano de publicação: 1993 Tipo de documento: Artigo