Margaret Keenan, a 90 year old woman becomes the first person in the world to receive the shot of Pfizer vaccination against COVID-19 in United Kingdom. Margaret turns 91 next week and she said this is the best early birthday gift. After receiving the shot she is looking forward to finally spend time with her family. UK approved Pfizer shot last week and are aiming to immunizing around 1 million people by the end of December.