Polymerase chain reaction (PCR) and rapid (antigen) tests for COVID-19 both involve taking a swab. Results for a PCR test take longer, as it needs to go to a laboratory. It is more costly but tends to ...

Hello! I cover the Northtowns for 7 News WKBW. If you have a story idea, please email me at [email protected] BUFFALO, NY (WKBW) — The PCR test is considered the “gold standard” for COVID ...

Molecular tests are far superior to rapid antigen tests—and now you can get them for home use. Last week, I was about to go on a date, and because I'm severely immunocompromised, we agreed he would ...

While they've been the gold standard to identify positive coronavirus cases around the world for more than a year, PCR tests still aren't trusted by some social media users. An Oct. 4 Instagram post ...

Every American traveling abroad needs to take an antigen test to return to the United States. But the start of the trip is often even more cumbersome, as many other countries (nearly every one I have ...

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 ...

Some new strains of Covid-19 are not being picked up by standard PCR tests, reveals leading testing expert Dr Quinton Fivelman. He warns that new mutations mean some variants are not being picked up ...

COVID-19 tests are in greater demand than ever, and new data about the Omicron variant can make picking and using different types of tests confusing. Molecular tests for COVID-19, like the "RT-PCR" ...

COLUMBUS, Ohio — You've heard a lot of talk about genomic sequencing: It's the process used in labs to detect variants of COVID-19 from PCR test samples. Some social media users falsely claim it's ...

While they've been the gold standard to identify positive coronavirus cases around the world for more than a year, PCR tests still aren't trusted by some social media users. An Oct. 4 Instagram post ...