Prognosis
Single Dose of Pfizer Shot Gives Two-Thirds Protection, Data Suggests
- Real world data emerges from U.K.’s mass immunization program
- One Pfizer dose gives as much as 65% protection; two doses 84%
This article is for subscribers only.
One dose of the Pfizer-BioNTech vaccine offers two-thirds protection against coronavirus, data seen by the U.K. government suggests.
Early findings from the U.K.’s vaccination program, due to be released within days, show that the first dose reduced the symptomatic infection risk among patients by 65% in younger adults and 64% in over-80s, a person familiar with the matter said.