Margaret Keenan, the first 90-year-old woman to get the Covid-19 vaccine Posted byEntrepreneur en Español December 8, 2020 Leave a comment on Margaret Keenan, the first 90-year-old woman to get the Covid-19 vaccine This Tuesday, almost 91 years old, Maggie, the British woman dressed in a Christmas shirt, was optimistic when she received the vaccine developed by Pfizer and BioNTech.