
People receive their COVID-19 vaccinations at a temporary vaccination site in Haidian District of Beijing, capital of China, Jan. 8, 2021. A city-wide campaign of vaccination against COVID-19 is underway in Beijing. (Photo/China News Service)

People receive their COVID-19 vaccinations at a temporary vaccination site in Haidian District of Beijing, capital of China, Jan. 8, 2021. A city-wide campaign of vaccination against COVID-19 is underway in Beijing. (Photo/China News Service)

People wait in an observation area after receiving their COVID-19 vaccinations at a temporary vaccination site in Haidian District of Beijing, capital of China, Jan. 8, 2021. A city-wide campaign of vaccination against COVID-19 is underway in Beijing. (Photo/China News Service)

People register for the COVID-19 vaccination at a temporary vaccination site in Haidian District of Beijing, capital of China, Jan. 8, 2021. A city-wide campaign of vaccination against COVID-19 is underway in Beijing. (Photo/China News Service)

People wait in an observation area after receiving their COVID-19 vaccinations at a temporary vaccination site in Haidian District of Beijing, capital of China, Jan. 8, 2021. A city-wide campaign of vaccination against COVID-19 is underway in Beijing. (Photo/China News Service)