On Friday, the World Health Organization announced that it will recommend indoor residual spraying with DDT as part of its malaria prevention strategy. According to its press release:

WHO actively promoted indoor residual spraying for malaria control until the early 1980s when increased health and environmental concerns surrounding DDT caused the organization to stop promoting its use and to focus instead on other means of prevention. Extensive research and testing has since demonstrated that well-managed indoor residual spraying programmes using DDT pose no harm to wildlife or to humans.