Transcript for Biden promises to deliver 100 million shots of vaccine in 1st 100 days
will still work. You speak about the rollout. Whit, thank you. What is President-Elect Biden about to face? Tonight the President-Elect's new promise and his plan to involve FEMA and the national Guard to get the vaccine out. Here's Mary Bruce. Reporter: Calling the vaccine rollout a dismal failure, Joe Biden promising to do better, outlining his plan to deliver 100 million shots in 100 days. Our plan is as clear as it is bold -- get more people vaccinated for free, create more places for them to get vaccinated, mobilize more medical teams to get the shots in people's arms. Increase supply and get it out the door as soon as possible. Reporter: The President-Elect says he'll use FEMA and the National Guard to set up 100 emergency vaccination centers around the country, converting gyms, stadiums and community centers. Right now we're hearing that they can't plan because they don't know how much supply of vaccines they can expect and what timeframe. Reporter: Biden today asking the American people to be patient, but promising change is coming. This is going to be one of the most channelling operational efforts ever undertaken by our country. But you have my word we will manage the hell out of this operation. Reporter: His two requests to the nation, keep the faith and wear a mask. The President-Elect on his vaccine plan. He was also asked if he feels safe being sworn in outside of the capitol. Reporter: David, he said clearly and without hesitation that yes, he does feel safe about next week's swearing in. We're told he plans to spend team this weekend working on his big speech. While he will be standing at that same spot on the capitol where we saw violence, he plans to use the moment to call for healing and unit. Mary Bruce, thank you. When we come back, the major winter storm, blizzard
This transcript has been automatically generated and may not be 100% accurate.