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In this exclusive video interview, Jeremy Faust, MD, editor-in-chief of MedPage Today, talks to Anthony Fauci, MD, former director of the National Institute of Allergy and Infectious Diseases (NIAID), about his new memoir, "On Call: A Doctor's Journey in Public Service."

In this video, Fauci discusses the novelty of COVID and his masking preferences. Head over to MedPage Today to read more about it.