claim: u.k. approves pfizer coronavirus vaccine, a second in the west
evidence_1: approves pfizer coronavirus vaccine, a first in the west https://nyti.ms/3qj8mue ", "for britain, which has suffered one of europes highest per capita death tolls from the virus, the decision by its drug regulator was the latest evidence of a vaccination strategy that has been the most aggressive in the west.", "the pfizer and biontech vaccine is delivered as a shot in the arm, like other typical vaccines.")