A medical worker gives acupuncture treatment to a cured COVID-19 patient at the Hubei Provincial Hospital of Traditional Chinese Medicine (TCM) in Wuhan, central China's Hubei Province, April 21, 2020. Hubei Provincial Hospital of TCM launched a rehabilitation clinic for the cured COVID-19 patients in early March. As the first clinic offering multidisciplinary treatment for recovered COVID-19 patients in Hubei Province, medical workers here treat patients based on the TCM theory. (Xinhua/Wang Yuguo)

A medical worker teaches the cured COVID-19 patients to do traditional Chinese gymnastics at the Hubei Provincial Hospital of Traditional Chinese Medicine (TCM) in Wuhan, central China's Hubei Province, April 21, 2020. Hubei Provincial Hospital of TCM launched a rehabilitation clinic for the cured COVID-19 patients in early March. As the first clinic offering multidisciplinary treatment for recovered COVID-19 patients in Hubei Province, medical workers here treat patients based on the TCM theory. (Xinhua/Wang Yuguo)

A medical worker gives traditional Chinese medicine (TCM) treatment to a cured COVID-19 patient at the Hubei Provincial Hospital of TCM in Wuhan, central China's Hubei Province, April 21, 2020. Hubei Provincial Hospital of TCM launched a rehabilitation clinic for the cured COVID-19 patients in early March. As the first clinic offering multidisciplinary treatment for recovered COVID-19 patients in Hubei Province, medical workers here treat patients based on the TCM theory. (Xinhua/Wang Yuguo)

A medical worker gives moxibustion treatment to a cured COVID-19 patient at the Hubei Provincial Hospital of Traditional Chinese Medicine (TCM) in Wuhan, central China's Hubei Province, April 21, 2020. Hubei Provincial Hospital of TCM launched a rehabilitation clinic for the cured COVID-19 patients in early March. As the first clinic offering multidisciplinary treatment for recovered COVID-19 patients in Hubei Province, medical workers here treat patients based on the TCM theory. (Xinhua/Wang Yuguo)

A medical worker gives moxibustion treatment to a cured COVID-19 patient at the Hubei Provincial Hospital of Traditional Chinese Medicine (TCM) in Wuhan, central China's Hubei Province, April 21, 2020. Hubei Provincial Hospital of TCM launched a rehabilitation clinic for the cured COVID-19 patients in early March. As the first clinic offering multidisciplinary treatment for recovered COVID-19 patients in Hubei Province, medical workers here treat patients based on the TCM theory. (Xinhua/Wang Yuguo)