(FILES) This file photo taken on January 15, 2021 shows vials of Pfizer-BioNTech vaccine for Covid-19, stored at -70 ¡ in a super freezer of the hospital of Le Mans, northwestern France as the country carry on a vaccination campaign to fight against the spread of the novel coronavirus. - The EU will receive an extra four million BioNTech/Pfizer doses over the next two weeks to douse virus "hotspots" in the bloc, European Commission chief Ursula von der Leyen said on March 10, 2021. (Photo by JEAN-FRANCOIS MONIER / AFP) Bild: JEAN-FRANCOIS MONIER (AFP)