Members of medical assistance team from Zhejiang are busy at the ICU (intensive care unit) of Wuhan pulmonary hospital in Wuhan, central China's Hubei Province, March 19, 2020. (Xinhua/Xiao Yijiu)

Some medical workers won't leave Wuhan until the fight against the COVID-19 wins.

WUHAN, March 21 (Xinhua) -- A medical assistance team from Sir Run Run Shaw Hospital in east China's Zhejiang Province finished its mission in the ICU of Wuhan Union Hospital on Thursday.

At the same day, the team moved to Wuhan pulmonary hospital and continued the fight together with the hospital's staff and medical assistant team from north China's Inner Mongolia Autonomous Region to treat COVID-19 patients in critical condition.

Medical workers are busy at the ICU (intensive care unit) of Wuhan pulmonary hospital in Wuhan, central China's Hubei Province, March 19, 2020. (Xinhua/Xiao Yijiu)

Members of medical assistance team from Zhejiang are busy at the ICU (intensive care unit) of Wuhan pulmonary hospital in Wuhan, central China's Hubei Province, March 19, 2020. (Xinhua/Xiao Yijiu)

Medical workers are busy at the ICU (intensive care unit) of Wuhan pulmonary hospital in Wuhan, central China's Hubei Province, March 19, 2020. (Xinhua/Xiao Yijiu)

Medical workers are busy at the ICU (intensive care unit) of Wuhan pulmonary hospital in Wuhan, central China's Hubei Province, March 19, 2020. (Xinhua/Xiao Yijiu)

Members of medical assistance team from Zhejiang are busy at the ICU (intensive care unit) of Wuhan pulmonary hospital in Wuhan, central China's Hubei Province, March 19, 2020. (Xinhua/Xiao Yijiu)

Medical workers are busy at the ICU (intensive care unit) of Wuhan pulmonary hospital in Wuhan, central China's Hubei Province, March 19, 2020. (Xinhua/Xiao Yijiu)

Medical workers are busy at the ICU (intensive care unit) of Wuhan pulmonary hospital in Wuhan, central China's Hubei Province, March 19, 2020. (Xinhua/Xiao Yijiu)

Members of medical assistance team from Inner Mongolia are busy at the ICU (intensive care unit) of Wuhan pulmonary hospital in Wuhan, central China's Hubei Province, March 19, 2020. (Xinhua/Xiao Yijiu)

Medical workers are busy at the ICU (intensive care unit) of Wuhan pulmonary hospital in Wuhan, central China's Hubei Province, March 19, 2020. (Xinhua/Xiao Yijiu)

A medical worker is busy at the ICU (intensive care unit) of Wuhan pulmonary hospital in Wuhan, central China's Hubei Province, March 19, 2020. (Xinhua/Xiao Yijiu)

Medical workers are busy at the ICU (intensive care unit) of Wuhan pulmonary hospital in Wuhan, central China's Hubei Province, March 19, 2020. (Xinhua/Xiao Yijiu)

Members of medical assistance team from Zhejiang are busy at the ICU (intensive care unit) of Wuhan pulmonary hospital in Wuhan, central China's Hubei Province, March 19, 2020. (Xinhua/Xiao Yijiu)

Medical workers are busy at the ICU (intensive care unit) of Wuhan pulmonary hospital in Wuhan, central China's Hubei Province, March 19, 2020. (Xinhua/Xiao Yijiu)

Medical workers are busy at the ICU (intensive care unit) of Wuhan pulmonary hospital in Wuhan, central China's Hubei Province, March 19, 2020. (Xinhua/Xiao Yijiu)

Medical workers are busy at the ICU (intensive care unit) of Wuhan pulmonary hospital in Wuhan, central China's Hubei Province, March 19, 2020. (Xinhua/Xiao Yijiu)