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, ...

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 ...

You may get a PCR test, which can show a positive result for up to three months after recovery. If you take a rapid antigen test, it may not detect COVID after nine days, but it is more accurate for ...

The holidays are well underway and people are looking forward to or already enjoying time with friends and family, some of whom have likely traveled a distance to attend the festivities (and brought ...

Over the past four years, many of us have become accustomed to a swab up the nose to test for COVID-19, using at-home rapid antigen tests or the more accurate clinic-provided PCR tests with a longer ...