Your runny nose can be caused by stress or allergies, but there are two key red flags that suggest it might be caused by something more seriousCredit: Getty But sometimes your runny nose can be a ...
"If you come in with some symptoms of cough or sore throat or runny nose, whatever it is, I can't tell you if that's a cold, if it's walking pneumonia, if it's COVID or the flu. You do need to ...