At-home COVID-19 tests have become commonplace for many households, but knowing when exactly to take a rapid test — or when to throw old ones out — isn't always straightforward. Here's what health ...

It's never a bad time to stock up.

Medically reviewed by Jordana Haber Hazan, MD Key Takeaways PCR tests are very accurate and can find the virus even in people without symptoms.Rapid tests can be done at home and show results in ...

NEW YORK -- Millions of Americans have purchased rapid COVID-19 tests online or at local stores and signed up to receive test kits through a free government program. Unlike conventional, lab-processed ...

How do rapid antigen COVID-19 tests work? Why did the US government just pledge to buy 280 million of them? And is that even enough to help curb the spread of the virus? As part of President Biden’s ...

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 ...

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 ...

The team at Rapid Test & Trace began petitioning government to make self-testing free for the public in late 2020. They aggregated public healthcare professionals and medical specialists to help ...

Experts are advocating for rapid COVID-19 tests as an added layer of safety for holiday gatherings -- but they're also railing against the high costs of these tests in the U.S., and pleading for ...

Michael Mina, MD, PhD, is an epidemiologist, immunologist, and physician. He routinely advises federal and international governments on public health programs. He was previously a professor at the ...