![](http://www.ecns.cn/hd/2021/01/08/1305f71c4f184d4eb59c0c45a57c823a.jpg)
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)
![](http://www.ecns.cn/hd/2021/01/08/0c0a22eac102431da005f0c496f0a8c9.jpg)
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)
![](http://www.ecns.cn/hd/2021/01/08/cc1cd3d00e56412c98ebfb928e4405b6.jpg)
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)
![](http://www.ecns.cn/hd/2021/01/08/5252b96f4214407f8b482b867d3f2397.jpg)
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)
![](http://www.ecns.cn/hd/2021/01/08/eee68f6393c04037b7b1bc31f61c7fb9.jpg)
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)