Chinese residents have found it difficult to buy antigen test kits as COVID-19 cases rise following the sudden reversal of China's zero-COVID policy.
Demand for at-home kits surges but production lags, government bodies come first

Customers stand in line at a pharmacy in Shenzhen on Dec. 20.
Chinese residents have found it difficult to buy antigen test kits as COVID-19 cases rise following the sudden reversal of China's zero-COVID policy.