With measles outbreaks, flu spikes, and COVID as a seasonal threat, learn key differences between these contagious diseases, ...

We usually think of COVID-19 as a viral illness that causes respiratory symptoms, like congestion, sore throat and a cough. But, like a surprising amount of other viruses, the coronavirus can also ...

Children and teens have a doubled risk of long COVID following their second COVID-19 infection, researchers report. What's more, long COVID dramatically increases kids' risk of myocarditis, blood ...

NEW YORK -- Doctors in New York City are now sounding the alarm on a mysterious illness being seen in children. The syndrome was first reported in Europe and is believed to be linked to COVID-19.