The data displays the number of people living in districts worldwide where mass drug administration (MDA) for select neglected tropical diseases was no longer necessary from 2013 to 2016. In 2016, around 198.4 million people lived in districts where mass drug administration for lymphatic filariasis, or elephantiasis, used to be necessary, but no longer was because there was no longer transmission or infection levels have reached very low levels.
2013 | 42.4 | 35.8 | |
2014 | 92.5 | 45.5 | |
2015 | 140.5 | 65.6 | 2.4 |
2016 | 198.4 | 83.7 | 2.5 |