In this article, we look at what an antigen test is, how it works, and the benefits and risks of this type of test. We also compare antigen tests with PCR tests.

Do you need to test out of isolation? While testing out of isolation is not required, the CDC says those who choose to should use an antigen test and not a PCR test.

By providing quantitative information about Covid-19 infection, PCR testing can help guide isolation and return to school or work policies.

But lab-based PCR tests amplify the genetic material in a different way to this home-based test. So, strictly speaking, this new test is not a PCR test. The new test isn’t a RAT either.

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— ...

When you think about getting tested for COVID-19, you’re most likely picturing two types of tests: the at-home rapid antigen tests you can buy at the drugstore and the PCR test where the results ...

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

Free at-home Covid tests can be ordered starting Monday. Here’s what you should know about when to test and what the results mean as new variants circulate.

Rapid at-home tests mean many COVID-19 cases go unreported, but they’re a great tool for deciding when to leave isolation. I found that out firsthand.