How to get a molecular/PCR test Outside of your home, your main options now are urgent care clinics and places that do testing for travel. In both cases, they’ll be expensive. In the case of urgent ...

You can exhibit COVID-19 symptoms yet test negative due to early infection, low viral load, or immune response. PCR testing ...

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 ...

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.

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

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 ...

A PCR test, which is taken by a doctor and processed in a lab is more reliable in detecting if you are negative for COVID. If you take an antigen test, which is an at-home test, a negative result ...

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

A false positive result is possible with a rapid COVID-19 test. It happens when a person does not have COVID-19 but still tests positive for the disease.

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.