The flu can wipe out even a healthy grownup, so it's not a surprise what it can do to kids.
29 children in the U.S. have already died from the flu this year including one child in Maryland.
It's been bitterly cold this week. And it's not going to get much warmer this weekend.
When it comes to the flu, these cold temperatures can affect how the virus is spread.
With the Ravens heading to the Super Bowl, a lot fans will be there with them. If you're planning to hop on a plane to get there, one thing you don't want to catch on the plane is the flu.