Over 1.66 bln doses of COVID-19 vaccines administered in China

A medical worker administers a dose of COVID-19 vaccine for a student at a high school in Shenzhen, south China's Guangdong Province, July 29, 2021. The city started COVID-19 vaccination for minors aged between 12 and 17 on Thursday. (Xinhua/Mao Siqian)

BEIJING, Aug. 2 (Xinhua) -- More than 1.66 billion doses of COVID-19 vaccines had been administered in China by Sunday, the National Health Commission said Monday.