"This is one of those moments that will go down in scientific and medical history."@ashishskynews reflects on the significance of the first #COVID19 vaccine being administered to 90-year-old Margaret Keenan.

Get the latest on #COVID19: https://t.co/W5Gk1IqLzX pic.twitter.com/UV1czMbitP

— Sky News (@SkyNews) December 8, 2020