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 ...

In addition to being the standard testing method for the diagnosis of COVID-19, the nasopharyngeal swab is also frequently used for the detection of various viruses and bacterial infections. Image ...

Gone are the days of visiting a doctor’s office to determine whether you have Covid. Instead, you can buy over-the-counter test kits, which diagnose infection from the comfort of your home, making ...

LANSING – When it comes to detecting the coronavirus, not all tests are created equally. Two tests are widely available to see if someone has the virus: a polymerase chain reaction swab, or PCR test, ...

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 ...

OAK RIDGE, Tenn. — Several counties are now offering free drive-thru COVID-19 testing for anyone who wants it, even if you aren't showing symptoms. Oak Ridge already started, partnering with Kroger to ...

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" ...

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 ...

At first blush, you might reasonably dismiss the rapid, saliva-based antigen assay for coronavirus. What possible purpose can a test serve in a pandemic if it misses, say, 30 of every 100 infections ...