WHO prequalifies first rapid antigen tests for COVID-19, strengthening global diagnostic preparedness

More than two years after the World Health Organization (WHO) declared an end to the emergency phase of the Covid-19 pandemic ...
MedPage Today

How Common Are False Positive Rapid COVID Tests?

It was possible -- albeit rare -- for people not infected with SARS-CoV-2 to have persistent false positive rapid antigen COVID-19 tests, longitudinal data showed. Among a large cohort of over 11,000 ...
Hosted on MSN

WHO clears two COVID-19 rapid antigen tests for long-term global use — what it means

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 New England Journal of Medicine

Persistent False Positive Covid-19 Rapid Antigen Tests

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 ...
EurekAlert!

Strategic reuse of rapid antigen tests for coagulation status assessment: an integrated machine learning approach

• Repurposed COVID-19 RATs provide an ideal platform for observing differences in blood coagulability. • Random Forest image classification algorithms can facilitate rapid coagulation status ...