一项新研究发现，在控制河盲和象皮肿两种寄生虫病的大规模活动中，一种已经广泛使用的药物或许也可以控制疟疾。

A drug already widely used in massive campaigns to help control two parasitic diseases, river blindness and elephantiasis, could also drive down malaria, a new study has found.