Fig. 1From: Seasonal vaccination against malaria: a potential use for an imperfect malaria vaccineA map of sub-Saharan Africa showing the areas where malaria transmission is likely to be highly seasonal. Orange areas indicate where more than 60% of annual rainfall occurs within 3 months of the year, and where malaria incidence is estimated to exceed 100 cases per 1000 children per year (adapted from Cairns et al. [1])Back to article page