More than two years after the World Health Organization (WHO) declared an end to the emergency phase of the Covid-19 pandemic, the virus continues to circulate globally. While current data suggest ...

Rapid antigen tests for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are effective tools for the diagnosis of acute infection, particularly when used serially. 1 The percentage of ...

The World Health Organization (WHO) said on December 24, 2025, that it has prequalified two rapid antigen diagnostic tests (Ag-RDTs) for SARS-CoV-2, the virus that causes COVID-19. According to WHO, ...

The World Health Organization (WHO) announced the prequalification of two rapid antigen diagnostic tests (Ag-RDT) for SARS-CoV-2, the virus that causes Covid-19. The two tests are the SD Biosensor ...

WHO has approved its first two rapid COVID-19 antigen tests, boosting global access to reliable, affordable tools for faster detection and response. The World Health Organization (WHO) has officially ...

It seems easy enough to take a COVID-19 test at home. But what if your results aren't so simple to interpret? If you get just ...