Differences between infection with Schistosoma mansoni, Taenia spp. and Soil-Transmitted Helminths in Brazil and Africa environments viewed from an evolutionary perspective


  • M. Chamone Universidade Federal de Minas Gerais
  • G. S. Atuncar Universidade Federal de Minas Gerais
  • A. L. Melo UFMG




Helminth parasites, Prevalence, Schistosoma mansoni, Trematoda, Cestoda, Nematoda,


In Brazil, when prevalence data were examined using simple summary statistics, there is a negative association between prevalence of Taenia spp. infection and Schistosoma mansoni or soil-transmitted helminths (STH) irrespective to routes of infection. That does not occur in African data. However, they vary considerably when plotted. So, in data collected on Brazilian area, it to show in ordered (smallest first) scores prevalence of STH infections both long lag phase in prevalence of STH infecting by oral route (Ascaris and Trichuris), and into STH infecting by skin route (hookworm and Strongyloides). To the other side, African study it show smaller lag phase in prevalence of STH infecting by oral route or into STH infecting by skin route. Darwinian, it was suggested Taenia spp. and STH, inhabiting a non-human environment which became so suitable for them according to their biological needs, their develop by means of natural selection.

Biografia do Autor

M. Chamone, Universidade Federal de Minas Gerais

Médico, Professor Aposentado, Departamento de Bioquímica-Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais 

Ãrea principal de atuação: Imunologia de Helmintos parasitos, Esquistossomose mansoni

G. S. Atuncar, Universidade Federal de Minas Gerais

Departamento de Estatística, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brasil

Ãrea principal de atuação: Estatística

A. L. Melo, UFMG

Prof. Departamento de Parasitologia, Instituto de Ciências Biológicas da Universidade Federal de Minas Gerais

Ãrea principal de atuação: Helmintologia, Esquistossomose mansoni experimental


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Como Citar

Chamone, M., Atuncar, G. S., & Melo, A. L. (2020). Differences between infection with Schistosoma mansoni, Taenia spp. and Soil-Transmitted Helminths in Brazil and Africa environments viewed from an evolutionary perspective. Scientific Electronic Archives, 13(10), 69–74. https://doi.org/10.36560/131020201217



Ciências Biológicas