Fig. 2From: Post-exposure serological responses to malaria parasites in potential blood donorsPercentage of seropositive individuals according to the presence of total antibodies anti-Plasmodium spp. in each percentile. Variable “Age” categorized according to P25, P50 and P75, resulting in four age groups: <31 years old (10/67; 14.9%); 31–40 years old (7/67; 10.4%); 40–51 years old (24/67; 35.8%); ≥51 years old (26/67; 38.8%)Back to article page