While respiratory syncytial virus (RSV) may present like the common cold in many healthy children, it can be dangerous in babies and some young children.

All children 6 months and up should get the flu vaccine yearly. While some side effects may occur, they are usually mild and infrequent. Learn more here.

The flu is a highly contagious infection that can cause a sudden high fever at or above 100.4°F (38°C), body aches, cough, and more.

The common cold is one of the most common illnesses among children—in fact, most children will have 8 to 10 colds by the time they’re two years old.