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 ...

Researchers from Johns Hopkins Medicine and collaborating institutions report that a rapid antigen test for SARS-CoV-2—the virus that causes COVID-19—proved highly accurate when compared to the ...

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 ...

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 ...

With the semester just beginning and over 100 positive COVID-19 test results on campus, University health experts agree rapid antigen tests are a pivotal tool for students to keep both themselves and ...

How much should you trust the results of a rapid antigen test? That's a question many people are asking these days amid recent research and anecdotes suggesting these tests may be less sensitive to ...

The new findings are from an ongoing U.S. study that began in October and was designed to assess the performance of rapid antigen tests in asymptomatic people. By Emily Anthes Several rapid antigen ...

What does it mean if a person’s rapid antigen test result comes back positive after five days of isolation due to Covid-19? According to the experts, that person is most likely still carrying a viral ...