PCR tests are far superior to rapid antigen tests—and now you can get them for home use.

Multiple infectious disease specialists told USA TODAY COVID-19 PCR tests cannot be used to clone humans.

RSV tests include nasal swabs or blood tests to detect the virus's genetic material or antibodies, but rapid tests provide quick results.

The accuracy of the RT-PCR test depends on timing; tests are best given within 10 days of COVID-19 symptom development.

As the virus evolves, do at-home COVID-19 antigen tests still work? Here's what to know about the accuracy of rapid COVID-19 tests.

If you do not have symptoms but have been exposed to COVID-19, wait at least 5 full days after your exposure before taking a test. If you are only going to take a single test, a PCR test will ...

Whether you opt for a PCR or antigen test, testing remains important to curb the spread of COVID. Do old COVID tests work for new variants?

Why do COVID-19 PCR and antigen tests produce different results? Earlier this year, the FDA urged people to test again after 48 hours if they get a negative result or seek out one of the more ...

It's 2023 and you just tested positive for COVID-19. Now what? The latest CDC protocols, isolation recommendations, ways to treat it and ways to prevent long COVID.