A keenly-watched COVID-19 vaccine will be priced to allow as wide as possible access to it, if it proves successful, and will be made at huge scale to keep costs down and supply up, said the Oxford University professor co-leading its development. 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