The World Health Organization announced on Friday that it had given prequalification approval to a malaria treatment for newborns and infants for the first time. Artemether-lumefantrine is the first antimalarial formulation designed specifically for the youngest victims of the mosquito-borne disease. “The prequalification designation indicates that the medicine meets international standards of quality, safety and efficacy,” the WHO said in a statement. Up to now, infants have been treated with...