A tiny insect, a deadly enemy: how medicine’s discovery of its impact shaped health and town planning
The understanding that mosquitoes could cause malaria and other diseases did more than solve a biological mystery. It completely changed disease control: drainage of stagnant water, environmental sanitation, mosquito nets, screening of houses and later, insecticides became important public health tools
We haven't written up this one. The Hindu Health has the full story — the link below goes straight to it.