US vaccine czar: 20 million vaccinated by end of 2020

"Our plan is to be able to ship vaccines to the immunization sites within 24 hours from the approval, so I expect maybe on day two after approval on the 11th or the 12th of December," Dr. Moncef Slaoui, Chief Scientific Advisor of Operation Warp Speed, said.

US vaccine czar: 20 million vaccinated by end of 2020