Tags: covid | vaccine | booster | omicron | death | risk | reduced

Booster Shot Cuts Omicron Death Risk by 95 Percent: UK Study

Three vials of COVID vaccine, plus a blood sample of omicron
(Dreamstime)

Thursday, 27 January 2022 01:06 PM EST

COVID-19 boosters increase protection against death from the omicron variant to 95% in people aged 50 or over, the UK Health Security Agency said on Thursday.

The UKHSA said that around six months after a second dose of any of the COVID-19 vaccines, protection against death with omicron was around 60% in those aged 50 and over. However, this increased to around 95% two weeks after receiving a booster vaccine dose.

UKHSA added that data continued to show high levels of protection against hospitalization from the booster. Effectiveness against hospitalization was around 90% for the Pfizer-BioNTech shot , dropping to 75% 10-14 weeks after the booster.

For Moderna, effectiveness against hospitalization was 90-95% up to 9 weeks after the booster.

"The evidence is clear – the vaccine helps to protect us all against the effects of COVID-19 and the booster is offering high levels of protection from hospitalization and death in the most vulnerable members of our society," said Dr Mary Ramsay, Head of Immunisation at UKHSA.

The UKHSA also issued an initial analysis of vaccine effectiveness against the omicron sublineage called BA.2, which is growing in Britain and Denmark, finding a similar level of protection against symptomatic disease.

"After two doses effectiveness was 9% and 13% respectively for BA.1 and BA.2, after 25+ weeks," the UKHSA said. "This increased to 63% for BA.1 and 70% for BA.2 from two weeks following a booster vaccine."

© 2024 Thomson/Reuters. All rights reserved.


Health-News
COVID-19 boosters increase protection against death from the omicron variant to 95% in people aged 50 or over, the UK Health Security Agency said on Thursday. The UKHSA said that around six months after a second dose of any of the COVID-19 vaccines, protection against death...
covid, vaccine, booster, omicron, death, risk, reduced
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2022-06-27
Thursday, 27 January 2022 01:06 PM
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