Pfizer announced that its coronavirus vaccine is more than 90 percent effective in preventing Covid-19. The medical community praised the news, but there is still a long way to go before the vaccine can reach the public. NBC News medical contributor Dr. Lipi Roy explains what we need to know.
» Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC
» Watch more NBC video: http://bit.ly/MoreNBCNews
NBC News is a leading source of global news and information. Here you will find clips from NBC Nightly News, Meet The Press, and original digital videos. Subscribe to our channel for news stories, technology, politics, health, entertainment, science, business, and exclusive NBC investigations.
Connect with NBC News Online!
Visit NBCNews.Com: http://nbcnews.to/ReadNBC
Find NBC News on Facebook: http://nbcnews.to/LikeNBC
Follow NBC News on Twitter: http://nbcnews.to/FollowNBC
Follow NBC News on Instagram: http://nbcnews.to/InstaNBC
Pfizer Covid-19 Caccine More Than 90% Effective, Will Be Free To Public | NBC News NOW