President Joe Biden said the government has signed contracts for 100 million doses of the Moderna vaccine and 100 million more from Pfizer. The new orders, in addition to 400 million doses previously contracted, would allow the U.S. to vaccinate a total of 300 million people by July 31, he said. #News #Coronavirus Subscribe: http://smarturl.it/reuterssubscribe Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled. Get the latest news on: http://reuters.com/ Follow Reuters on Facebook: https://www.facebook.com/Reuters Follow Reuters on Twitter: https://twitter.com/Reuters Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en