A resident receives a dose of COVID-19 vaccine on a mobile vaccination bus in Xidu Town of Hengyang County, central China's Hunan Province, Aug. 8, 2021. (Photo by Liu Xinrong/Xinhua)
BEIJING, Oct. 6 (Xinhua) -- Over 2.215 billion COVID-19 vaccine doses had been administered on the Chinese mainland as of Tuesday, data from the National Health Commission showed Wednesday. ■
