Malaria transmission and individual variability of the naturally acquired IgG antibody against the Plasmodium vivax blood-stage antigen in an endemic area in Brazil

•Malaria exposure influences acquisition of the IgG antibody against Plasmodium vivax blood-stage antigen (PvMSP1-19).•Epidemiological, spatial and temporal factors and acquisition of the IgG anti-PvMSP1-19.•Interindividual variability and the longevity of the IgG in P. vivax endemic area in Brazil.