President Trump said we can expect to have enough Covid-19 vaccines for every American available by April. Scott Gottlieb, former FDA commissioner says it's a little bit too optimistic to say there will be vaccines available in the first quarter of 2021. He says it's more likely there will be vaccines towards the end of the second quarter next year. He joins 'Closing Bell' to talk about the vaccine timeline. For access to live and exclusive video from CNBC subscribe to CNBC PRO: https://cnb.cx/2NGeIvi » 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 For info on the best credit cards go to CNBC Select: https://www.cnbc.com/select/best-credit-cards/ #CNBC #CNBCTV