Valt inlägg:
USAID and others have not seen DDT as a high priority component of malaria programs for practical reasons. In many cases, indoor residual spraying of DDT, or any other insecticide, is not cost-effective and is very difficult to maintain. In most countries in Africa where USAID provides support to malaria control programs,
Ett meddelande kommer att skickas till ansvarig som besultar om inlägget skall tas bort, av vilken anledning vill du rapportera det här inlägget?