Prevalence and Level of Antibodies Anti-Plasmodium spp. in Travellers with Clinical History of Imported Malaria
Figure 1
Distribution of antimalarial antibodies in subjects with possible clinical history of imported malaria. Antibody index represents the ratio OD/cut-off for each sample. Group no. 1: travellers potentially exposed to Plasmodium spp. and microscopically positive for malaria (); group no. 2: travellers potentially exposed to Plasmodium spp. and microscopically negative for malaria (); and group no. 3: control, healthy subjects ().