You can test for COVID-19 using an antigen test or a polymerase ... They are a type of nucleic acid amplification test (NAAT), which means they are more likely to detect the virus than a rapid ...

These tests look for genetic material from the COVID-19 virus. Polymerase chain reaction tests, shortened to PCR tests, are molecular tests. You may also hear this type of test called an NAAT test ...

COVID-19 tests now fall into two categories ... PCR tests are a type of nucleic acid amplification test (NAAT). Antigen tests are the rapid tests most people are familiar with.

Powered by Fulgent Genetics, the Picture COVID-19 nasal swab test is a nucleic acid amplification test (NAAT). The testing process for this at-home test is fast. After you take an eligibility ...

Health officials stress that at-home tests are a vital and accurate way of tracking COVID-19 infections but an initial negative test doesn’t mean people are out of the woods. Aug. 17 ...

Regardless of the variant, a person with COVID-19 can be contagious 48 hours ... You may continue to test positive on NAATs for up to 90 days." Some doctors assert the safest course of action ...

Our immunity factors, in, too. Nearly all of us have some kind of underlying immunity to the coronavirus now, and that affects the performance of the test, too. But ultimately, the tests are still ...

Yet different COVID-19 tests bear expiration dates on their packaging that have long since passed, raising questions about whether they're still effective. Once in short supply, test kits are now ...

I know how that feels firsthand. After more than two years of evading COVID-19, I tested positive at home on a rapid antigen test during the summer of 2022. At first, the line was so faint that it ...

To determine whether your COVID test is still usable, you can check the at-home COVID-19 tests listed on the FDA's website to see which brands have had their shelf lives extended. COVID-19 ...

But a negative COVID-19 test is not great at completely ruling out a SARS-CoV-2 infection because the test has a high false negative rate. That’s because it is not easy to get a good saliva ...