Over-the-counter multiplex tests for more than one illness may soon come to a pharmacy near you. Paco Burgada/iStock via Getty Images A scratchy, sore throat, a relentless fever, a pounding head and a ...

At-home rapid COVID-19 tests can reveal more about viral load than a simple positive/negative result, according to experts. "By definition, the basic technology suggests that you somehow have to go ...

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 ...

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In a study involving nearly 1,000 patients seen at a Baltimore field hospital during a five-month period in 2022, researchers at Johns Hopkins Medicine, the University of Maryland School of Medicine, ...

Molecular tests are far superior to rapid antigen tests—and now you can get them for home use. Amanda Blum is a freelancer who writes about smart home technology, gardening, and food preservation.

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, ...

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 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 ...