A staff worker registers information of COVID-19 vaccine recipients in the inoculation site of the Guangyi International E-Commerce Industrial Park in Haizhu District of Guangzhou, south China's Guangdong Province, June 19, 2021. (Xinhua/Wang Ruiping)
More than 1.1 billion doses of COVID-19 vaccines had been administered across China as of Thursday, the National Health Commission said Friday.