July 25 (UPI) --Scientists at Columbia University unveiled research Monday they said is "a step closer" toward bringing polymerase chain reaction, known as PCR, testing for COVID-19 and other viruses ...

New COVID-19 restrictions for international travel and other activities are fueling consumer demand for highly accurate polymerase chain reaction, or PCR, tests with rapid turnaround times. Some ...

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.

If you’ve headed to a work event, family gathering or crowded space in the last two years, it’s likely you’ve taken an at-home COVID-19 test to check your viral status. It’s how much of the world is ...

At this point in the pandemic, you or someone you know has probably received at least one COVID-19 test. But do you know which kind of test you got and the strengths and weaknesses of these different ...

In case you missed it, this commercial for Cue COVID tests made its debut during the Super Bowl. Cue lab-quality COVID-19 tests are at-home, molecular tests that need no prescription or special ...