The number of measles cases nationwide is climbing and doctors are urging the unvaccinated to get their shots. ––– Subscribe to ABC News on YouTube: https://abcnews.visitlink.me/59aJ1G ABC News is your daily source of breaking national and world news, exclusive interviews and 24/7 live streaming coverage. Download the ABC News app for the latest headlines and alerts: https://abcnews.go.com/devices Watch 24/7 coverage of breaking news and live events on ABC News Live: https://www.youtube.com/