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 ...

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 ...

Positive rapid SARS COV 2 (Covid-19) antigen test on a blue background Reporter Following a summer uptick of COVID-19 infections, Americans are now able to order free COVID-19 tests starting Thursday.

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Covid-19 at home Rapid Test Kit The FDA has extended the shelf life for some COVID-19 tests. Now that allergy season is here, many ...

In Germany, the activity of acute respiratory diseases is at a higher level than usual for this time of year because of rhinoviruses and SARS-CoV-2, according to the Robert Koch Institute, Germany. If ...

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, ...

SAN DIEGO--(BUSINESS WIRE)--Quidel Corporation (NASDAQ: QDEL) (“Quidel”), a leading provider of rapid diagnostic testing solutions, cellular-based virology assays and molecular diagnostic systems, ...

Quidel plans initial release to professional and point-of-care segments with a goal of expansion to serve telemedicine and home markets Sofia Q is the latest product in Quidel’s best-selling Sofia ...