U.K. Vaccine Rollout Data Show Substantial Drop in Infections

A single shot of the vaccine produced by Pfizer led to a 57% reduction in cases of Covid-19 in people of age 80 and over, rising to 88% after a second dose, according to preliminary data from the U.K.’s inoculation program.

U.K. Vaccine Rollout Data Show Substantial Drop in Infections

A single shot of the vaccine produced by Pfizer led to a 57% reduction in cases of Covid-19 in people of age 80 and over, rising to 88% after a second dose, according to preliminary data from the U.K.’s inoculation program.