China has approved two antigen test kits which detect COVID-19 within 20 minutes. The testing tools can quickly detect positive cases when the viral load is high during the acute infection period.

Saliva-based antigen tests that dramatically shorten the testing time for COVID-19 started on July 29 at Haneda and Narita airports. The antigen tests will be offered at Kansai Airport starting on ...

Secondary schools in Hong Kong will no longer be required to conduct daily rapid antigen tests (RAT) for the coronavirus from next Wednesday. But the rule would remain for primary schools ...