Over 2.65 bln COVID-19 vaccine doses administered on Chinese mainland

A medical worker prepares a dose of COVID-19 vaccine at a vaccination site in Beijing, Dec. 9, 2021. (Xinhua/Zhang Yuwei)

BEIJING, Dec. 17 (Xinhua) -- More than 2.65 billion COVID-19 vaccine doses had been administered on the Chinese mainland as of Thursday, data from the National Health Commission showed Friday.