The Economist: Malaria: The biter bit
“…Mosquitoes do not tend to fly far from the place they hatch, and experiments suggest that if most of a village’s inhabitants were to take ivermectin they could collectively do serious damage to the local Anopheles population. That would substantially reduce the number of cases of malaria in an area. Whether this is ethical is debated…” (11/19).

NPR: The New Debate Over Bed Nets And Malaria Prevention
“…[T]here’s growing evidence that mosquitoes are developing resistance to the insecticide used in [bed] nets. Now the World Health Organization has just completed a five-year, five-country study looking into whether nets might be becoming less effective. … [E]ffectiveness of the insecticide ranged wildly. … The good news is that the effectiveness of the insecticide did not seem to have much impact on rates of malaria transmission…” (Beaubien, 11/22).