Fig. 4From: Lymphatic filariasis elimination endgame in an urban Indian setting: the roles of surveillance and residual microfilaremia after mass drug administrationStacked bar chart of numbers of microfilaremic individuals by state of birth, from the routine surveys in Surat, 2008–16. For example, in 2008, night blood smears from 7,189 individuals born in Orissa were tested for microfilaria, of which 41 were Mf positiveBack to article page