Figure 2From: Seasonal changes in the antibody responses against Plasmodium falciparum merozoite surface antigens in areas of differing malaria endemicity in IndonesiaThe monthly slide positivity rate (SPR) from November 2008 to September 2009 in Lampung and Purworejo. Arrows show the time of bloodspot collection during high (left) and low (right) season.Back to article page