The COVID-19 pandemic brought the term "Polymerase Chain Reaction testing" into the mainstream. The PCR method is a type 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 ...

When COVID first hit, waiting days for laboratory results from an ultrasensitive polymerase chain reaction (PCR) test was commonplace. Faster tests usable by anyone, anywhere, later became widely ...

By Tarun Sai Lomte Nearly a year and a half after infection, researchers examined whether long COVID leaves measurable traces ...

Derived from early pandemic waves and needing recalibration for new variants, these renal markers and IL 10 could act as ...

Add Yahoo as a preferred source to see more of our stories on Google. As we get into another winter holiday season, COVID is still part of our lives. And although it's hard to predict exactly what ...

You may get a PCR test, which can show a positive result for up to three months after recovery. If you take a rapid antigen ...

WASHINGTON -- President Joe Biden plans to announce on Tuesday that his administration will distribute 500 million free at-home rapid tests to Americans beginning in January to combat the surging ...

Transformative Biotech LLC, a Boulder-based company working to develop faster molecular tests for diseases such as COVID-19 and cancer, has appointed Mark Kelleher as executive vice president of ...

The co-owner of a Chicago COVID-19 testing laboratory was sentenced to seven years in federal prison Wednesday for a fraud scheme in which in which his company provided fake negative results to people ...