Recommended booster dose combinations | UB

Unang Balita is the news segment of GMA Network's daily morning program, Unang Hirit. It's anchored by Arnold Clavio, Susan Enriquez, Ivan Mayrina, Connie Sison, and Mariz Umali, and airs on GMA-7 Mondays to Fridays at 5:30 AM (PHL Time). For more videos from Unang Balita, visit http://www.gmanetwork.com/unangbalita.