IE 11 is not supported. For an optimal experience visit our site on another browser.

After UK approves Pfizer vaccine, how soon will US officials sign off?

02:26

In the wake of the approval of Pfizer’s coronavirus vaccine in the United Kingdom, federal agencies, states and health care facilities are now gearing up ahead of a possible approval in the U.S. in the near future. NBC’s Stephanie Gosk reports for TODAY.