Know the symptoms of COVID-19 in children, what to do if your child appears sick and how to keep your family healthy.

CHICAGO — Children are twice as likely to develop long COVID after two COVID-19 infections, compared with children who’ve only had COVID-19 once, according to a new study co-authored by a doctor at ...

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

Do you have a sore throat, a runny nose and muscle aches? It could be a common cold, a case of the flu -- or COVID-19. The illnesses all share similar symptoms, sometimes making it hard to distinguish ...

Heightened risk seen for many conditions, including myocarditis, blood clots, kidney damage, abnormal heart rhythms, headache, and fatigue after second COVID-19 infection in children and adolescents.

The research team used electronic health records data to divide patients into four groups to track symptoms across different obesity levels.

NEW YORK -- Officials said there are a total of 38 cases of Pediatric Multi-System Inflammatory Syndrome in children in New York City. Mayor Bill de Blasio announced the increase of cases of the ...

Add Yahoo as a preferred source to see more of our stories on Google. But because the two viruses share many symptoms, it’s difficult to tell them apart. When a sniffle seems to progress further than ...