A Centers for Disease Control and Prevention panel is holding a meeting Friday to discuss the distribution of booster Covid-19 shots to people with weak immune systems. The meeting comes one day after the Food and Drug Administration granted emergency approval of a third dose of Pfizer and Moderna vaccines for vulnerable Americans. A vote by the Advisory Committee on Immunization Practices on whether or not to update CDC booster shot guidelines is expected around 1 p.m. » Subscribe to CNBC TV: https://cnb.cx/SubscribeCNBCtelevision » Subscribe to CNBC: https://cnb.cx/SubscribeCNBC » Subscribe to CNBC Classic: https://cnb.cx/SubscribeCNBCclassic Turn to CNBC TV for the latest stock market news and analysis. From market futures to live price updates CNBC is the leader in business news worldwide. Connect with CNBC News Online Get the latest news: http://www.cnbc.com/ Follow CNBC on LinkedIn: https://cnb.cx/LinkedInCNBC Follow CNBC News on Facebook: https://cnb.cx/LikeCNBC Follow CNBC News on Twitter: https://cnb.cx/FollowCNBC Follow CNBC News on Instagram: https://cnb.cx/InstagramCNBC #CNBC #CNBCTV