A medical worker shows COVID-19 vaccine information to an expatriate before giving him a dose of it at a vaccination site in East China's Shanghai, on March 29, 2021. March 29 was the first day that expatriates working in Shanghai could volunteer to get the COVID-19 vaccine simply by making an appointment online. [Photo/Xinhua]
An expatriate thumbs up to medical workers after receiving a dose of COVID-19 vaccine in East China's Shanghai, on March 29, 2021. [Photo/Xinhua]
An expatriate receives a dose of COVID-19 vaccine in East China's Shanghai, on March 29, 2021. [Photo/Xinhua]
A medical worker verifies appointment information for an expatriate before giving her a dose of COVID-19 vaccine at a vaccination site in East China's Shanghai, on March 29, 2021. [Photo/Xinhua]
