Some children may need 2 flu shots, experts say [KdjYjYr1cEO] Published in Everyday Knowledge Don't forget: SUBSCRIBE HERE For more videos from WSMV4, Nashville' NBC affiliate: 6HUZPPDWNg2 2WtEdVNJH5z W5pfyk2zkZf 7wDWAmqqLce UGhB98nLGZo