Fig. 1From: Genetic determinants of anti-malarial acquired immunity in a large multi-centre studyProportion of individuals microscopically Plasmodium falciparum positive. Data shown are for the six sites for which surveys sampled across different age groups. Studies not included here include: Mali (Pongonon) where only malaria positive were included, Kenya (where only one age group was sampled) and Sudan and Sri Lanka were all negative at the time of survey.Back to article page