![](http://www.ecns.cn/hd/2022/03/28/4d929e9feb0d4462bc9ab0306799a66e.jpg)
A customer buys COVID-19 rapid antigen test kits at a pharmacy in Beijing, March 28, 2022. Such kits for self-testing are available to the public in Beijing now. (Photo: China News Service/Hou Yu)
![](http://www.ecns.cn/hd/2022/03/28/1b6920c525db426dbcbb5125f1dd2bda.jpg)
Photo shows a staff introducing the COVID-19 rapid antigen test kits to a customer at a pharmacy in Beijing, March 28, 2022. Such kits for self-testing are available to the public in Beijing now. (Photo: China News Service/Hou Yu)
![](http://www.ecns.cn/hd/2022/03/28/34e50e41acc44bc09878e169f8a34af7.jpg)
Photo shows the COVID-19 rapid antigen test kits at a pharmacy in Beijing, March 28, 2022. (Photo: China News Service/Hou Yu)
![](http://www.ecns.cn/hd/2022/03/28/e6fc782657784f3b9154430aa8f4f770.jpg)
Photo shows a COVID-19 rapid antigen test kit at a pharmacy in Beijing, March 28, 2022. (Photo: China News Service/Hou Yu)