Medical workers from north China's Inner Mongolia Autonomous Region massage patients' acupuncture points at the Wuhan pulmonary hospital in Wuhan, central China's Hubei Province, March 19, 2020. The medical workers treat COVID-19 patients with traditional Chinese medicine (TCM) therapies to help patients alleviate headache, improve sleeping quality and gastrointestinal function. (Xinhua/Xiao Yijiu)