Pfizer CEO Albert Bourla addresses a press conference with European Commission President Ursula von ... More der Leyen, on April 23, 2021. In a statement, von der Leyen referenced ongoing negotiations with Pfizer/BioNTech on a contract to deliver 1.8 billion doses of vaccine for the years 2021 to 2023. (Photo by JOHN THYS / POOL / AFP) (Photo by JOHN THYS/POOL/AFP via Getty Images)