Gregg Gonsalves is an associate professor of epidemiology at the Yale School of Public Health. Stephen Morrissey, the interviewer, is the Executive Managing Editor of the Journal. M.S. Sinha, W.E. Parmet, and G.S. Gonsalves. Déjà Vu All Over Again — Refusing to Learn the Lessons of Covid-19. N Engl J Med 2024;