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 ...

COVID and flu tests aren't designed to tell you how sick you are, but if you use them to monitor your infection, they can ...

Getting a faint line result on your test isn't uncommon, however — both experts and health providers have indicated that the opaqueness of the line on your COVID-19 test may be influenced by an ...

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 ...