Why are hundreds of kids getting sick? 

It starts out seeming like an ordinary cold, but in a matter of hours it could leave a child gasping for air. So far, hundreds of children in at least ten states have been sickened and the virus appears to be spreading to kids and not adults. Health officials fear the outbreak is still in its early stages. Chief Medical Correspondent Dr. Sanjay Gupta talks to Anderson about what to do if you suspect your child may be suffering from enterovirus.