Add Yahoo as a preferred source to see more of our stories on Google. For any American wondering if they have Covid-19, there are two kinds of tests available: polymerase chain reaction (PCR) and ...

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 ...

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 ...

Go to a testing center, get your nose swabbed, know if you're positive for COVID or not in under 15 minutes. Sounds amazing, right? Rapid tests have proved hugely popular for sussing out COVID-19 ...

FORT LAUDERDALE, Fla. — With COVID-19 cases 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 symptoms, such as fever, cough ...

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 ...

In early January, more than 700 Stanford University athletes took rapid Covid tests upon returning to the campus. Those who tested negative — and some who tested positive — were also given PCR tests.

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 ( ...