Newsweek Special Projects Editor Fred Guterl joins John Williams to talk about the one thing that may hold the success of the COVID vaccines back.
Newsweek Special Projects Editor Fred Guterl: You will get a high degree of protection from the vaccine if you get it and others don’t

A general view of Pfizer Manufacturing Belgium in Puurs, Belgium, Monday, Nov. 9, 2020. Pfizer said Monday that early results from its coronavirus vaccine suggest the shots may be a surprisingly robust 90% effective at preventing COVID-19, putting the company on track to apply later this month for emergency-use approval from the Food and Drug Administration in the United States. (AP Photo/Virginia Mayo)