An elderly resident has his blood pressure checked before receiving his shot of COVID-19 vaccine at home in Beijing, May 10, 2022. (Xinhua/Chen Zhonghao)

More than 218 million Chinese aged 60 or above, or 82.66 percent of the country's senior citizens, have been fully vaccinated against COVID-19, an increase of about 1 million people from 10 days ago, an official said Thursday.

Among them, over 169 million have received a booster shot, Lei Zhenglong, an official with the National Health Commission, told a press conference.