## Additional file 1: Figure S1. of Developing a mathematical model for the evaluation of the potential impact of a partially efficacious vaccine on the transmission dynamics of Schistosoma mansoni in human communities

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Population pyramid by age and sex of Malawi from the US Bureau of Population and Census database ( https://www.census.gov/population/international/data/idb/region.php?N= Results &T=12&A=separate&RT=0&Y=2016&R=−1&C=MI ). The plots show exponential decay in population size by age, with a mean life expectancy 1 μ $$\left(\raisebox{1ex}{1}\!\left/ \!\raisebox{-1ex}{\upmu }\right.\right)$$ for the total population of approximately 50 years. (TIFF 105 kb)