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 ...

Last spring, a rapid polymerase chain reaction (PCR) test for COVID-19 — developed by Northwestern University spinoff company Minute Molecular Diagnostics — received emergency use authorization (EUA) ...

During the COVID-19 pandemic, a staggering 340 million tests for the virus were supplied across the world by a company based in South Korea that specializes in so-called syndromic real-time polymerase ...