COVID-19 antigen test kits sold at Beijing's pharmacies(1/4)

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)

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)

Photo shows the COVID-19 rapid antigen test kits at a pharmacy in Beijing, March 28, 2022. (Photo: China News Service/Hou Yu)

Photo shows a COVID-19 rapid antigen test kit at a pharmacy in Beijing, March 28, 2022. (Photo: China News Service/Hou Yu)