Rapid COVID tests are convenient and easy to use because you can take them at home. But it's important to know how to interpret their results, when you should take another rapid test and when you ...

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 ...

Two tests are apparently better than one. Starting today, anyone looking to take a rapid COVID-19 test at any of the 27 Miami-Dade County-run testing sites will have to also take a PCR test, ...

Add Yahoo as a preferred source to see more of our stories on Google. By now, most of us know the basics of taking a COVID-19 test at home. With cases, test positivity and hospitalizations due to ...

As the various subvariants of omicron continue to circulate in the U.S., rapid at-home tests remain an important tool for protecting yourself and others. Home tests are appealing because they allow ...

Antigen tests can identify the presence of antigens within the body, which are substances that cause immune responses, such as the release of antibodies. The immune system, and antibodies specifically ...

At-home rapid COVID antigen tests are playing a larger role in the fight against disease variants. Photo credit: Rose Hoban This story originally published online at NC Health News. In the coming days ...

As the omicron variant continues to spread across the United States, at-home COVID-19 antigen tests have become an in-demand item. During the holiday season, at-home tests became stocking stuffers.

With COVID-19 case rates on the rise and the delta variant's highly contagious nature, doctors say people across California are increasingly curious about COVID tests. Doctor Nam Tran is the senior ...

If you're confused about why you're consistently testing negative on your at-home antigen test even though you're experiencing Covid symptoms, you're not the only one. More and more people are ...