There's still a lot of confusion around the best time to take a COVID test and where to get them. Here, experts share their ...

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 ...

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 ...