RALEIGH, N.C. (WTVD) -- It's a question some scientists are taking a deeper look at: Nose or throat -- what is the best way to do a COVID-19 test? A woman says she swabbed both her nose and throat and ...

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 ...

The first challenge with rapid at-home self tests for COVID-19 is getting one. But once you have a test, there are now growing questions about what body part you should swab to get the most accurate ...

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.

The FDA is warning people to follow the instructions of at-home Covid-19 rapid tests and only swab their noses — pushing back against viral reports that the tests are more accurate when users also ...

WASHINGTON — As the omicron variant sweeps through the U.S., testing has never been more important. Early January brought a new claim to the forefront of at-home testing discourse: you should swab ...

PCR tests are one of the most accurate forms of testing for the coronavirus. PCR stand for polymerase chain reaction test. There are many different reasons why you may need to book a covid test, for ...

Preliminary evidence suggests that rapid tests like Abbott BinaxNOW and Quidel QuickVue struggle to detect the omicron variant during an individual’s first few days of infection. AzmanL via Getty ...

Forbes contributors publish independent expert analyses and insights. Matt Binnicker is the CSO for Mayo Collaborative Services. There are now over 40 antigen tests that have received emergency use ...