Today, the parasite has become resistant to anti-malarials that contain only artemisinin and WHO has requested laboratories to end the marketing and sale of single-drug treatments.

今天，疟原虫已对仅含青蒿素的抗疟疾药物产生耐药性，世卫组织要求实验室停止对单药疗法的市场营销和销售。