Fig. 4From: Evaluating seroprevalence to circumsporozoite protein to estimate exposure to three species of Plasmodium in the Brazilian AmazonAssociation of HLA DRB1*DQB1 haplotypes and CS antibody response. Frequency (%) of HLA DRB1*DQB1 haplotypes in IgG responders and non-responders to the CS peptides of a PvCS, b PfCS, and c PmCS. HLA DRB1*DQB1 haplotypes with less than eight occurrences among subjects were not included in the analysis. These haplotypes were considered more frequentBack to article page