Figure 3From: Online reporting for malaria surveillance using micro-monetary incentives, in urban India 2010-2011Proportion of positive responses (%) for malaria diagnoses by age (2010 and 2011). For all cities and across both years of the study, the 20-24 age group had the highest proportion of positive malaria diagnosis responses. We are unaware of any other studies with as fine age resolution with which to compare the prevalence trendsBack to article page