Over 2.222 bln COVID-19 vaccine doses administered on Chinese mainland

A medical worker administers a dose of COVID-19 vaccine to a citizen at a community health center in Qingxiu District of Nanning, south China's Guangxi Zhuang Autonomous Region, Aug. 27, 2021. (Xinhua/Lu Boan)

BEIJING, Oct. 12 (Xinhua) -- Over 2.222 billion doses of COVID-19 vaccine had been administered on the Chinese mainland as of Monday, data from the National Health Commission showed Tuesday.