A scientist is pictured working during a visit by Britain's Prince William, Duke of Cambridge (unseen), to Oxford Vaccine Group's laboratory facility at the Churchill Hospital in Oxford, west of London on June 24, 2020, on his visit to learn more about the group's work to establish a viable vaccine against coronavirus COVID-19. (Photo by Steve Parsons / POOL / AFP) (Photo by STEVE PARSONS/POOL/AFP via Getty Images)