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 ...

Add Yahoo as a preferred source to see more of our stories on Google. (Photo: golero via Getty Images) For many of us, the 2021 holiday season hasn’t gone quite like we’d hoped on the COVID front. Yes ...

As fall temperatures set in, cold and flu season gets into full swing and holiday travel picks up, people will undoubtedly have questions about COVID-19 testing. Is this the year people can finally ...

University of Alberta-led research reports that new cases of syphilis dropped in Alberta following the introduction of rapid point-of-care testing and same-day treatment. The research team compared ...

The pandemic isn’t over. Although it's no longer considered a national and public health emergency, we're currently seeing a surge in cases and the spread of two new variants—EG.5 (Eris) and BA.2.86 ( ...

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 ...

With end-of-year holidays quickly approaching, how do we stay safe in gatherings where some people may not be vaccinated? Testing before get-togethers can help, experts say. “Ideally, we would ...

California, Connecticut and New York are among the states sending millions of rapid antigen tests to schools and families ahead of January reopening. Washington, D.C. and Baltimore schools are ...

Use of rapid antigen diagnostic tests for respiratory syncytial virus (RSV) in young children was tied to significant ...