Over the past four years, many of us have become accustomed to a swab up the nose to test for COVID-19, using at-home rapid antigen tests or the more accurate clinic-provided PCR tests with a longer ...

Two types of COVID-19 tests, the rapid antigen test and the polymerase chain reaction (PCR) test, are available in the United States. The PCR typically relies on lab testing and is still considered ...

PCR swab tests that look for viral RNA have become the gold standard for identifying infection with the SARS-CoV-2 virus, but their results aren't 100% accurate. Researchers report that testing for ...

HOUSTON, Texas -- As things open back up, we're seeing some places require COVID-19 testing. At-home rapid COVID tests can produce results in minutes. To find out how they work and just how effective ...

Rapid test enters trial to diagnose winter respiratory infections: United Kingdom Wednesday, January 28, 2026, 18:00 Hrs [IST] An NIHR-supported trial is investigating whether a 6 ...

Molecular testing, or molecular diagnostics, refers to a group of tests that look at the genetic material in a specimen. It can detect genetic risk factors for certain diseases or provide evidence of ...

A new diagnostic tool developed by researchers can test for SARS-CoV-2 and Zika virus with the same or better accuracy as high-precision PCR tests in a matter of hours. Over the past four years, many ...

If proven to be accurate, the point-of-care test could provide the NHS with a highly scalable, low-cost diagnostic tool. It ...

Over the past four years, many of us have become accustomed to a swab up the nose to test for COVID-19, using at-home rapid antigen tests or the more accurate clinic-provided PCR tests with a longer ...