News Snapshot:
Medical workers wearing cartoon head decorations work at a vaccination site in Xuhui district of Shanghai, East China, Nov 20, 2021. Shanghai started COVID-19 vaccination for children aged 3-5 from Saturday. [Photo/Xinhua] BEIJING -- More than 2.43 billion doses of COVID-19 vaccine had been administered on the Chinese mainland as of Saturday, data from the National Health Commission showed Sunday.
