(FILES) In this file photo taken on November 17, 2020 An illustration picture shows vials with Covid-19 Vaccine stickers attached and syringes with the logo of US pharmaceutical company Pfizer, on November 17, 2020. - Britain on December 2, 2020 became the first country to approve Pfizer-BioNTech's Covid-19 vaccine for general use and said it would be introduced next week. (Photo by JUSTIN TALLIS / AFP)
