If you've been sick for what feels like forever, you might just have a co-infection. Here's how to tell.
Here are the first red flags that may appear — even before you test positive.
A study in the journal, Science, found a pattern in patients' blood proteins that could explain why some suffer from persistent symptoms, like fatigue and pain.
"One of the worst effects of this strange illness has been the way it separates my husband and me not only from our peers but also from each other."
Doctors share the warning signs of a severe infection and what warrants a visit with a doctor.
"Wine moms represented motherhood as revolutionary refusal, as 'who cares,' as 'don’t judge me,' as 'get out now.'"
It's getting harder to identify the symptoms of Covid.
A new strain called JN.1 is spreading. Here's what to know.
It's not COVID or the flu. If you've been sick for a few weeks and have tested negative for everything, here's what's going on.