Fig. 1From: Sample size and power calculations for detecting changes in malaria transmission using antibody seroconversion rateKey features of the simulation study. aâd Seroprevalence as expected by the indicated change in transmission intensity (as measured in EIR units) and the respective change point \(\tau\). e Typical age distribution of a community survey from Africa; f Percentage of different age groups according to the age distribution shown in e Back to article page