Antigen and PCR tests diagnose COVID-19. Read about how these tests differ in their method of determining results, accuracy, timing, skill requirement, and costs.

There’s a big difference between the standard at-home antigen test and a molecular (PCR or NAAT) test. Molecular tests are the ones you want when accurate testing is important. Here are four ...

Last week, I was about to go on a date, and because I'm severely immunocompromised, we agreed he would take a COVID test using one of my rapid home PCR tests. It was a courtesy—he felt perfectly fine— ...

There are three different ways to test for COVID-19: PCR tests, antigen tests and antibody tests. Here are the differences.

Dr. Matt Binnicker, an expert in the diagnosis of infectious diseases, reviews scenarios where an at-home antigen test is a good option, and when to seek out a lab-based PCR.

Travelers are more confused and stressed about COVID testing than any other part of travel right now. That's why the first FDA approved at-home self molecular test is such a big deal.

COVID-19 testing has spawned a veritable cottage industry, with medically minded entrepreneurs stepping up to meet increased demand — often charging top dollar to expedite PCR test results.

Northwell Health is rolling out a new COVID PCR test that could make turning around results faster and cheaper.

"PCR tests are still by far the best test and those are the tests that most hospitals are using to identify COVID-19 patients," she said.