Volume 71, Issue 2
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645


We have characterized genotypes among the Mossi and Fulani sympatric ethnic groups in villages in Burkina Faso during the rainy season. Differences in clinical malaria presentation and in immune responses to malaria occur between the two groups. Asexual parasite rate, density, and gametocyte rate were higher among the Mossi than the Fulani. There was no difference in frequencies of alleles of the merozoite surface protein 1 (), , and glutamate-rich protein () genes among the parasites in each group. However, there were significant differences in the mean number of clones in the two populations, with there being more in the Mossi than in the Fulani. This effect was especially marked in older children. These differences can most probably be attributed to genetic differences in immune responsiveness to malaria between the two ethnic groups.


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  • Received : 13 Oct 2003
  • Accepted : 08 Jan 2004

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