Over 777 mln COVID-19 vaccine doses administered across China

A medical worker administers a COVID-19 vaccine to a college student in Nanchang, capital of east China's Jiangxi Province, June 4, 2021.(Xinhua/Wan Xiang)

BEIJING, June 7 (Xinhua) -- Over 777.8 million doses of COVID-19 vaccines had been administered across China as of Sunday, the National Health Commission said Monday.