Margaret Keenan, 90, has Become the First Person in the World to Receive the Pfizer COVID-19 Vaccine Outside of Trials Margaret Keenan, 90, has become the first person in the world to receive the Pfizer COVID-19 vaccine outside of a trial following its rapid clinical approval https://t.co/gE1RtgWcYE pic.twitter.com/MK3mi7PF0a— Reuters (@Reuters) December 8, 2020