Dr. Janine Knudsen is a medical director in the Office of the Commissioner at the New York City Department of Health and Mental Hygiene and a clinical assistant professor at the NYU Grossman School of Medicine. Stephen Morrissey, the interviewer, is the Executive Managing Editor of the Journal. J. Knudsen and D.A. Chokshi. Covid-19 and the Safety Net — Moving from Straining to Sustaining. N Engl J Med 2021;385:2209-2211.