![94-year-old Mother Teresa Llona receives a Pfizer vaccine during a Covid-19 vaccination campaign at the bull ring in Arnedo, northern Spain, March 4, 2021.](/sites/default/files/media_2021/03/202103bhr_spain_vaccines.jpg)
94-year-old Mother Teresa Llona receives a Pfizer vaccine during a Covid-19 vaccination campaign at the bull ring in Arnedo, northern Spain, March 4, 2021.
© 2021 Alvaro Barrientos/AP Photo
94-year-old Mother Teresa Llona receives a Pfizer vaccine during a Covid-19 vaccination campaign at the bull ring in Arnedo, northern Spain, March 4, 2021.