People queue up to get decoctions for COVID-19 prevention and control at Gansu Provincial Hospital of Traditional Chinese Medicine (TCM) in Lanzhou, northwest China's Gansu Province, Oct. 23, 2021. Pharmacists of the hospital are busy providing decoctions for COVID-19 prevention and control to individuals under medical quarantine and medical workers at the frontline. The hospital also offered the decoctions to local residents for free at the outpatient hall. (Xinhua/Chen Bin)

A pharmacist fulfills a Chinese Traditional Medicine (TCM) prescription at Gansu Provincial Hospital of Traditional Chinese Medicine (TCM) in Lanzhou, northwest China's Gansu Province, Oct. 23, 2021. Pharmacists of the hospital are busy providing decoctions for COVID-19 prevention and control to individuals under medical quarantine and medical workers at the frontline. The hospital also offered the decoctions to local residents for free at the outpatient hall. (Xinhua/Chen Bin)

A pharmacist fulfills a Chinese Traditional Medicine (TCM) prescription at Gansu Provincial Hospital of Traditional Chinese Medicine (TCM) in Lanzhou, northwest China's Gansu Province, Oct. 23, 2021. Pharmacists of the hospital are busy providing decoctions for COVID-19 prevention and control to individuals under medical quarantine and medical workers at the frontline. The hospital also offered the decoctions to local residents for free at the outpatient hall. (Xinhua/Chen Bin)

Pharmacists carry newly made Chinese Traditional Medicine (TCM) decoctions at Gansu Provincial Hospital of Traditional Chinese Medicine (TCM) in Lanzhou, northwest China's Gansu Province, Oct. 23, 2021. Pharmacists of the hospital are busy providing decoctions for COVID-19 prevention and control to individuals under medical quarantine and medical workers at the frontline. The hospital also offered the decoctions to local residents for free at the outpatient hall. (Xinhua/Chen Bin)

A pharmacist prepares Chinese Traditional Medicine (TCM) decoctions at Gansu Provincial Hospital of Traditional Chinese Medicine (TCM) in Lanzhou, northwest China's Gansu Province, Oct. 23, 2021. Pharmacists of the hospital are busy providing decoctions for COVID-19 prevention and control to individuals under medical quarantine and medical workers at the frontline. The hospital also offered the decoctions to local residents for free at the outpatient hall. (Xinhua/Chen Bin)