Healthy Living/WellnessMysterious respiratory virus leaves hundreds of US kids hospitalized: 'Tip of iceberg,' warns CDC official Health experts suspect that a rare virus called human enterovirus-68 is behind the illness that has so far caused the hospitalization of hundreds of children in Midwest and Colorado.by Rhodi Lee
WATCH: Runner Spends Year Using Exercise Tracker to Create Elaborate Stick Figure Art on City Streets
