A health worker administers a dose of Sinovac COVID-19 vaccine to a foreigner from Hungary at a vaccination site in Tsinghua University, Beijing, capital of China, April 3, 2021. Beijing has recently started COVID-19 vaccination for foreign nationals in the city. Foreign nationals aged 18 and above may, following the principle of voluntary participation, giving informed consent and assuming personal responsibility for risk, take the COVID-19 vaccine. (Xinhua/Chen Zhonghao)
