What can be done to control malaria
during the mid 20th...
during the mid-20th century, malaria was all elminated and in many couintries due to the use of pesticides, particularly DDT, (dichloro-diphenyl trichloroethene)
thought to be harmuful to wildlife, outdoor sparying of DDT was discontinued in many developed countries
some coutries now permit spraying of DDT inside homes