Fig. 1From: Trends in US President’s Malaria Initiative-funded indoor residual spray coverage and insecticide choice in sub-Saharan Africa (2008–2015): urgent need for affordable, long-lasting insecticidesPMI-funded insecticide use for IRS between 2008 and 2015 (based on [14, 28] and 2015 PMI malaria operational plans)Back to article page