Fig. 2
From: Imbalanced Distribution of Plasmodium falciparum MSP-1 Genotypes Related to Sickle-Cell Trait
Frequency of the MSP-1 allelic families in the schoolchildren recruited in Dienga, Gabon, unstratified (total) and by hemoglobin type
Ages ranged from 7 to ≤ 14 years (116 year-old, 23 8-year-old, 27 9-year-old, 30 10-year-old, 21 11-year-old, 22 12-year-old, 15 13-year-old and 14 14-year-old children). The mean age in the AA and in the AS group was 10.3 and 10.5 years, respectively.