At this point, you’ve probably taken a COVID test at least once and have some idea of how it all works. Most tests keep it simple: one line means it’s negative; two lines means it’s positive. But what ...

For instance, if you only get a very faint line, it might be hard to know whether or not that means your results are positive. I know how that feels firsthand. After more than two years of evading ...

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 ...