The Pfizer children's vaccine is about a third of the adult dose, but a clinical trial found it was nearly 91 percent effective at preventing COVID-19. If it gets final CDC approval next week, some 28 million children will be eligible for shots. Michael George has the latest. “CBS Saturday Morning” co-hosts Jeff Glor, Michelle Miller and Dana Jacobson deliver two hours of original reporting and breaking news, as well as profiles of leading figures in culture and the arts. Subscribe to “CBS Mornings” on YouTube: / cbsmornings Watch CBSN live: http://cbsn.ws/1PlLpZ7c Download the CBS News app: http://cbsn.ws/1Xb1WC8 Follow "CBS Mornings" on Instagram: https://bit.ly/3A13OqA Like "CBS Mornings" on Facebook: https://bit.ly/3tpOx00 Follow "CBS Mornings" on Twitter: https://bit.ly/38QQp8B Subscribe to our newsletter: http://cbsn.ws/1RqHw7T Try Paramount+ free: https://bit.ly/2OiW1kZ For video licensing inquiries, contact: [email protected]