How the Johnson & Johnson single-dose vaccine will speed up vaccinations

The FDA has authorized emergency use of Johnson & Johnson's single-dose COVID-19 vaccine, and the company will immediately start shipping out millions of doses. KTVU'S Alex Savidge talks with Dr. Vanila Singh, a professor at Stanford University and Former Chief Medical Officer at the Dept. of Health and Human Services, about what this means for speeding up the pace of vaccinations.