Give kids a choice in what mask they wear, allow mask breaks when it's safe, and replace masks regularly so they're clean and more comfortable to wear.

Cold sores are small blisters around and/or inside the mouth, caused by the herpes simplex virus. They are often referred to as "fever blisters."

Can you really prevent the norovirus from infecting your family? Yes! A CHOP physician and infection prevention expert explains how.

When it comes to mosquito- and tick-borne illness, know the symptoms and practice bug bite prevention to keep your family safe.

Pediatricians want you to know this: Nothing has changed about how you should manage a fever.

How can your family avoid a possible double whammy of COVID-19 and the flu? Get your family's flu shots as soon as possible.

Your child is complaining of a sore throat and body aches. They have a fever. It seems like they might be coming down with the flu. What should you do?

Learn why whooping cough (pertussis) is making a comeback, what symptoms are, and how to protect your family.

An attending physician in the Division of Infectious Diseases at Children's Hospital of Philadelphia clears up common misconceptions about the flu shot.