Aggregation in schistosomiasis: comparison of the relationships between prevalence and intensity in different endemic areas

HL Guyatt, T Smith, B Gryseels, C Lengeler, H Mshinda, S Siziya, B Salanave, N Mohome, J Makwala, KP Ngimbi, M Tanner

Research output: Contribution to journalA1: Web of Science-article

Abstract

The patterns of aggregation in schistosome egg counts in different endemic areas in Africa (data sets were obtained from Burundi, Cameroon, Tanzania, Zambia and Zaire) were investigated. The analysis demonstrated that the degree of parasite aggregation, for both Schistosoma mansoni and S. haematobium, differed amongst the different study localities. This is thought probably due to area-specific differences in host exposure and immunity. This implies that for these schistosome species, it is not possible to predict egg count distributions or morbidity levels from prevalence data alone
Original languageEnglish
JournalParasitology
Volume109
Pages (from-to)45-55
ISSN0031-1820
Publication statusPublished - 1994

Keywords

  • B780-tropical-medicine
  • Helminthic diseases
  • Schistosomiasis
  • Schistosoma mansoni
  • Schistosoma haematobium
  • Epidemiology
  • Prevalence
  • Infection intensity
  • Parasite egg count
  • Tanzania
  • Africa-East
  • Zambia
  • Africa-Southern
  • Cameroon
  • Congo-Kinshasa
  • Africa-Central

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