Dr. Fauci on FDA approval for Pfizer, Moderna and J&J shots

The Food and Drug Administration's full authorization to the Pfizer COVID-19 vaccine has a number of public health officials hopeful the move will encourage people who had been reluctant to get a shot now. For more on the approval and inoculation efforts, Judy Woodruff turns to Dr. Anthony Fauci, the director of the National Institute of Allergy and Infectious Diseases.