In general, rapid antigen tests are less sensitive and therefore less likely to detect an infection compared with polymerase chain reaction (PCR) tests. PCR tests look for viral genetic material, ...

After exposure to COVID-19, most infections become detectable within 3–7 days. Testing too early can yield false negatives, ...

Testing has become more important than ever as people try to get their lives back to normal. But what's the best way to get tested, which tests are best, and are rapid antigen tests even accurate?

BinaxNow COVID-19 Antigen Self Test from Abbott Diagnostics Scarborough. CareStart COVID-19 Antigen Home Test from Access Bio. Celltrion DiaTrust COVID-19 Ag Home Test from Celltrion USA.

Our top picks for the best at-home COVID-19 tests include in-store and online options that are FDA-authorized for accurate results. Find the best option for your needs with our top recommendations.

Feeling ill and considering using one of those free COVID tests that’s been sitting around? Here’s how to know if it’s still good – even if it’s past the expiration date.

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

Antigen and PCR testing is still available at major pharmacies, like Walgreens, for example, but out of pocket costs could apply, depending on your insurance provider.

Test as close to the time of the event as possible (at least within 1-2 days). If you use an antigen test, follow recommendations for repeat testing to be confident in a negative result.

How to understand at-home rapid antigen tests, what to do if you test positive after five days, and how to test if you’re asymptomatic after a JN. 1 variant exposure.

Previously, the test was authorized for emergency use in 2021. The Flowflex COVID-19 Antigen Home Test is a nasal swab test for at-home use by symptomatic individuals within 6 days of symptom onset.

Authorized for use in the U.S. in January 2021, Ortho's VITROS® SARS-CoV-2 Antigen Test offers reliable detection of SARS-CoV-2 in patients suspected of COVID-19 by their healthcare provider ...