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

Taking a COVID-19 test at home seems simple enough: If you get a line, you're positive for the coronavirus. But what if your results aren't so obvious? For instance, if you only get a very faint line ...

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 ...

People that are not insured may soon have to pay for their next COVID-19 test in the U.S. Quest Diagnostics told ABC News that patients who are not on Medicare, Medicaid or don't have a private health ...

With flu and RSV seasons set to soon heighten, when should you test for COVID if you are sick and how often? The federal government recently resumed its program of shipping out free COVID tests to ...