Parents never saw symptoms before 4-year-old died from enterovirus

A four-year-old New Jersey boy is the first confirmed fatality from enterovirus D68. It is a particularly nasty strain of a common respiratory virus. It has sickened hundreds of children across the country. Eli Waller was killed by the virus, even though he reportedly had no symptoms. Susan Candiotti has the latest.

Anderson spoke with Chief Medical Correspondent Dr. Sanjay Gupta about Eli's case and why some children with Enterovirus are experiencing paralysis.