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 ...

Unlike Covid-19, hantavirus cannot be detected using rapid antigen kits. Doctors explain why diagnosis depends on specialised ...

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 ...

There are three different ways to test for COVID-19: PCR tests, antigen tests and antibody tests. Each method is best for a different stage of COVID-19 infection. Used in sequence, all three methods ...

In an ideal world, the U.S. would be awash in COVID tests. Anyone exposed to the coronavirus could self-test or go to a lab or clinic if necessary. But right now, self-tests are in short supply in ...

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" ...

Prefer an adorable dog licking your face over an invasive swab up the nose? That's a research-driven option now in testing for the coronavirus. Trained dogs have shown signs of being more effective at ...