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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060 EISSN: 1678-8060
Vol. 94, No. 5, 1999, pp. 583-586
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Bioline Code: oc99107
Full paper language: English
Document type: Research Article
Document available free of charge
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Memórias do Instituto Oswaldo Cruz, Vol. 94, No. 5, 1999, pp. 583-586
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Epidemiology of Hookworm Infection in Itagua, Paraguay: a Cross Sectional Study
Nora Labiano-Abello; Jorge Canese; Maria Eugenia Velazquez; John M Hawdon; Mark L Wilson & Peter J Hotez
Abstract
A cross-sectional study in Itagua, Paraguay tested 192 people for the presence, intensity and species of hookworm infection. Fifty-nine percent of these individuals were found to be infected. Intensity of infection was determined on 92% of infected individuals by quantitative egg counts. The high intensity hookworm infections, which cause the greatest morbidity, were clustered between the ages of five and 14 years. No differences were seen between genders. The species of hookworm was determined for parasites reared from 72% of infected individuals. Both Necator americanus and Ancylostoma duodenale
were identified, although the former species predominated. We conclude that hookworm infection continues to be a public health problem in Paraguay, particularly among children and adolescents who suffer from high intensity infections. A. duodenale continues to persist in the Western Hemisphere and has not been completely displaced by N. americanus.
Keywords
Necator americanus - Ancylostoma duodenale - hookworm - Paraguay - epidemiology
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