Kayla Tausche reports senior administration officials said they plan to give states a 3-week window into vaccine allotments as they try to map out vaccine dispersement. Some are questioning whether Biden's goal of getting 100 million shots in arms in his first 100 days is too ambitious. She joins Shep Smith to discuss the challenges facing the Biden administration in tackling the Covid-19 crisis. For access to live and exclusive video from CNBC subscribe to CNBC PRO: https://cnb.cx/2NGeIvi The government is seeking 100 million doses from Pfizer and 100 million from Moderna, an order that would be made available over the summer. This is in addition to the 400 million combined doses the companies had already committed to providing to the U.S., Biden said. He said he expects to be able to confirm the purchase soon. “It will be enough to fully vaccinate 300 million Americans to beat the pandemic,” Biden said. » 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. The News with Shepard Smith is CNBC’s daily news podcast providing deep, non-partisan coverage and perspective on the day’s most important stories. Available to listen by 8:30pm ET / 5:30pm PT daily beginning September 30: https://www.cnbc.com/2020/09/29/the-news-with-shepard-smith-podcast.html?__source=youtube%7Cshepsmith%7Cpodcast 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 https://www.cnbc.com/select/best-credit-cards/ #CNBC #CNBCTV