Beijing offers 3rd COVID-19 booster vaccine to people of higher risks (4)

A medical worker administers a booster shot of the COVID-19 vaccine to a woman at a vaccination site in Xicheng District of Beijing, capital of China, Oct. 17, 2021. Beijing has begun to offer a third COVID-19 booster vaccine to people of higher risks in some neighborhoods. (Xinhua/Ren Chao)