Add Yahoo as a preferred source to see more of our stories on Google. This week, President Joe Biden announced that the US government is buying 500 million at-home COVID tests for the nation. If ...

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 ...

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 ...

The explosion of omicron cases in the U.S. smack in the middle of the holiday season is forcing Americans to rely more heavily on rapid tests prior to congregating with friends and family. In some ...

A common rapid at-home COVID test has become the subject of a recent product recall over concerns the antigen test hasn't received proper U.S. authorization. The Food and Drug Administration issued a ...

Polymerase chain reaction (PCR) tests were the first available for spotting the coronavirus. They work by detecting the virus’s genetic material, and are very accurate. Then came rapid tests, also ...

A PCR test is often considered the gold standard for detecting coronavirus infection. It’s the test some employers want employees to take before returning to work after having Covid-19, and the one ...

The emergence of the omicron variant is spurring a scramble for COVID-19 lateral flow tests, to try and ensure safe holiday parties and family gatherings. The U.K. is dealing with a supply crunch for ...

The emergence of the omicron variant is spurring a scramble for Covid-19 lateral flow tests, to try and ensure safe holiday parties and family gatherings. The U.K. is dealing with a supply crunch for ...