It's never a bad time to stock up.

Add Yahoo as a preferred source to see more of our stories on Google. As the nation experiences what many experts believe is the second-largest wave of COVID infections since the pandemic started, ...

SAN FRANCISCO -- There has been a lot of talk about testing for the coronavirus, but you may not entirely understand what the different tests are for. The coronavirus makes some people sick, some ...

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 ...

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At-home rapid COVID-19 tests can reveal more about viral load than a simple positive/negative result, according to experts. "By definition, the basic technology suggests that you somehow have to go ...

WASHINGTON -- President Joe Biden plans to announce on Tuesday that his administration will distribute 500 million free at-home rapid tests to Americans beginning in January to combat the surging ...

Nothing puts a damper on your holiday plans like a positive COVID-19 test. But what if that line is super faint? Do you still have COVID-19 —or can you go ahead and attend your office party like you ...