Hundreds of children have been hospitalized across several states with a respiratory illness that seems like a cold but can grow far worse, CNN reports. Colorado, Missouri, Ohio, North Carolina, Georgia, Iowa, Illinois, Kansas, Kentucky, and Oklahoma have already called the CDC for help in tackling an enterovirus that appears to be EV-D68. The current hospitalizations may be "just the tip of the iceberg in terms of severe cases," says a CDC director. "We're in the middle of looking into this. We don't have all the answers yet." The virus itself resembles a bad cold (nasty summer colds are often...