Dr. Konstantin Chumakov is a former associate director of the Food and Drug Administration Office of Vaccines Research and Review and an adjunct professor at George Washington University and the University of Maryland. Stephen Morrissey, the interviewer, is the Executive Managing Editor of the Journal. K. Chumakov and Others. Choosing the Right Path toward Polio Eradication. N Engl J Med 2023;388:577-579.