Single Shot of AstraZeneca, Pfizer Covid-19 Vaccines Is Effective, U.K. Says--Update
March 01 2021 - 1:15PM
Dow Jones News
By Jason Douglas
New data from a large study of elderly U.K. adults provides
further evidence that vaccines against Covid-19 are highly
effective after just one dose.
British researchers said in preliminary findings published
online Monday that a single dose of Covid-19 vaccine developed
either by Pfizer Inc. and BioNTech SE or the University of Oxford
and AstraZeneca PLC reduced the risk of hospitalization among
people over 70 years old by 80%, compared with those of a similar
age who weren't vaccinated.
The study, which hasn't yet been reviewed by other scientists,
looked at health records associated with 7.5 million people over 70
in England, making it one of the largest such studies published to
date.
The data provide further strong evidence the vaccines being
rolled out across the world are potent weapons against Covid-19.
They should also help dispel concerns in parts of Europe that
AstraZeneca's shot doesn't have enough data to back up its rollout
to at-risk over-65s
The scientists found a single dose of either vaccine reduced the
risk of symptomatic Covid-19 and hospitalization from as little as
10 days after injection, with the strongest effects seen after 28
days.
Write to Jason Douglas at jason.douglas@wsj.com
(END) Dow Jones Newswires
March 01, 2021 13:00 ET (18:00 GMT)
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