African Journal of
Biotechnology

  • Abbreviation: Afr. J. Biotechnol.
  • Language: English
  • ISSN: 1684-5315
  • DOI: 10.5897/AJB
  • Start Year: 2002
  • Published Articles: 12488

Full Length Research Paper

Relative prevalence of the human hookworm species, Necator americanus and Ancylostoma duodenale in an urban community in Ogun State, Nigeria

AA Adenusi1* and EOA Ogunyomi2†
  1Department of Biological Sciences, Olabisi Onabanjo University, P.M.B. 2002, Ago-Iwoye, Ogun State, Nigeria. 2Primary Health Care Department, Sagamu Local Government Secretariat, Ogun State. Nigeria.
Email: [email protected]

  •  Accepted: 17 October 2003
  •  Published: 30 November 2003

Abstract

 

In order to estimate the proportion of hookworm infections represented by Necator americanus and Ancylostoma duodenale, the 2 major species of human hookworms in Nigeria, stool samples from 1253 hookworm-positive schoolchildren were cultured to the third-stage (L3), filariform larvae, using the Harada-Mori test-tube method. N. americanus larvae were recovered from a total of 1177 (93.9%) coprocultures whileA. duodenale larvae were recovered from a total of 274 (21.9%) stool cultures. 58.2% of the hookworm infections were due solely to N. americanus, 6.1% solely to A. duodenale and 25.8% were mixed infections with both species. In all mixed infections, much higher number of N. americanus larvae were recorded compared with those ofA.  duodenale.

 

Key words: Hookworm species, Necator americanus, Ancylostoma duodenale, filariform larvae.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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