And each new drug tends to carry a higher price than the one before. Environmental responses to the malaria challenge have hardly been explored yet, but hold great promise. Easily propagated, harmless to humans and livestock, naturally occurring, but it is altogether environment-friendly except to mosquitoes. Researchers in Peru have developed a Bti kit for village distribution. Still, cost is an obstacle to mass application.
Complex problems demand complex solutions.
All these strategies for mosquito control, drugs, environmental approaches, with community participation need time and money to be tried and succeed. Banning DDT must be part of that effort. But not yet.