All right. The efficacy of Artemisia capillaris water is generally clearing away heat and toxic materials, promoting diuresis and cooling blood. Drinking after the diagnosis is positive is conducive to the recovery of your body. Positive diagnosis of COVID-19 requires active treatment, oral administration of Lianhua Qingwen Capsule, Jinhua Qinggan Granule, Shuanghuanglian Oral Liquid, and proper isolation at home.