Fig. 1From: Status of parasitological indicators and morbidity burden of onchocerciasis after years of successive implementation of mass distribution of ivermectin in selected communities of Yeki and Asosa districts, EthiopiaHistory of ivermectin distribution in Yeki district, Ethiopia (2001–2017). The biannual ivermectin treatment began in 2015, and round I refers to the ivermectin treatment provided in December to January, and round II refers to treatments provided in April to May. a Total population treated; b Treatment coverage rate among the eligible populationBack to article page