![](http://www.ecns.cn/hd/2020/06/24/a9c13cb5511448b4bacd923daa450404.jpg)
Workers in protective suit sprays disinfectant at a testing site in Chaoyang District, Beijing, Capital of China, June 23, 2008. A primary school was temporarily converted into a nucleic acid testing site for public testing. (Photo/China News Service)
![](http://www.ecns.cn/hd/2020/06/24/71a558b04ef34704914775c433f6df6c.jpg)
People wearing face masks wait in line to receive nucleic acid tests at the temporary sampling site at a primary school in Chaoyang District, Beijing, Capital of China. The primary school was temporarily converted into a nucleic acid testing site for public testing. (Photo/China News Service)
![](http://www.ecns.cn/hd/2020/06/24/21e33279c8b94c8d94be93f32ce979ad.jpg)
People wearing face masks wait in line to receive nucleic acid tests at the temporary sampling site at a primary school in Chaoyang District, Beijing, Capital of China. The primary school was temporarily converted into a nucleic acid testing site for public testing. (Photo/China News Service)
![](http://www.ecns.cn/hd/2020/06/24/beecb8939bc1424188eeb5c2acbf8fa1.jpg)
People wearing face masks wait in line to receive nucleic acid tests at the temporary sampling site at a primary school in Chaoyang District, Beijing, Capital of China. The primary school was temporarily converted into a nucleic acid testing site for public testing. (Photo/China News Service)