A medical worker administers a dose of the COVID-19 vaccine to a boy at a vaccination site in Xuhui District of Shanghai, east China, Sept. 3, 2021. Shanghai kicked off a mass vaccination campaign to minors aged between 12 and 14 on Friday. (Xinhua/Liu Ying)
BEIJING, Sept. 21 (Xinhua) -- Over 2.18 billion COVID-19 vaccine doses had been administered in China as of Monday, data from the National Health Commission showed Tuesday.
原文地址：http://en.people.cn/n3/2021/0921/c90000-9898905.html