Polymerase chain reaction (PCR) and rapid (antigen) tests for COVID-19 both involve taking a swab. Results for a PCR test take longer, as it needs to go to a laboratory. It is more costly but tends to ...

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. People can use a rapid COVID-19 test at home ...

With new COVID cases in Florida on the rise, taking an easy-to-get rapid test can give you quick results. But the timing has become tricky. If you have COVID-19 symptoms, such as fever, cough, ...

The explosion of omicron cases in the U.S. smack in the middle of the holiday season is forcing Americans to rely more heavily on rapid tests prior to congregating with friends and family. In some ...

Whether you’re testing before heading back to work or want to check your own Covid status before traveling or heading to an event, there are a number of good rapid Covid tests that you can buy online ...