(FILES) In this file photo taken on February 12, 2021, a vial containing the Covid-19 vaccine by Pfizer-BioNTech and a syringe are seen on a table in the pharmacy of the vaccination center at the Robert Bosch hospital in Stuttgart, southern Germany. - The EU has concluded a deal with BioNTech/Pfizer for up to 1.8 billion extra doses of its Covid-19 vaccine, European Commission chief Ursula von der Leyen said on May 8, 2021. (Photo by THOMAS KIENZLE / AFP)