NEJM Interview: Dr. Paul Offit on how more than two centuries of vaccine advances have paved the way for Covid-19 vaccines.

Dr. Paul Offit is the director of the Vaccine Education Center and a professor of pediatrics in the Division of Infectious Diseases at Children’s Hospital of Philadelphia. Stephen Morrissey, the interviewer, is the Executive Managing Editor of the Journal. A. Desmond and P.A. Offit. On the Shoulders of Giants — From Jenner’s Cowpox to mRNA Covid Vaccines. N Engl J Med 2021;384:1081-1083.