There are three different ways to test for COVID-19: PCR tests, antigen tests and antibody tests. Each method is best for a different stage of COVID-19 infection. Used in sequence, all three methods ...

Researchers often call the polymerase chain reaction test – known as the PCR test – "the gold standard" for detecting the COVID-19 virus. The test is considered highly reliable and effective, and it ...

Last week, I was about to go on a date, and because I'm severely immunocompromised, we agreed he would take a COVID test ...

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 ...

As the holiday season kicks off United States, so does another, less enjoyable winter tradition: respiratory virus season. Although COVID-19 cases and hospitalizations have been trending downward in ...

Finding a COVID-19 test in December 2021, when New Jersey detected its first case of the omicron variant, was like hitting the jackpot. The virus was then spreading quickly, just in time for the ...