LONDON --
COVID-19 boosters improve safety towards demise from the Omicron variant to 95 per cent in individuals aged 50 or over, the U.Okay. Well being Safety Company stated on Thursday.
The UKHSA stated that round six months after a second dose of any of the COVID-19 vaccines, safety towards demise with Omicron was round 60 per cent in these aged 50 and over. Nevertheless, this elevated to round 95 per cent two weeks after receiving a booster vaccine dose.
UKHSA added that knowledge continued to indicate excessive ranges of safety towards hospitalization from the booster. Effectiveness towards hospitalization was round 90 per cent for the Pfizer-BioNTech shot , dropping to 75 per cent 10-14 weeks after the booster.
For Moderna, effectiveness towards hospitalization was 90-95 per cent as much as 9 weeks after the booster.
"The proof is evident – the vaccine helps to guard us all towards the consequences of COVID-19 and the booster is providing excessive ranges of safety from hospitalization and demise in essentially the most weak members of our society," stated Dr Mary Ramsay, Head of Immunisation at UKHSA.
The UKHSA additionally issued an preliminary evaluation of vaccine effectiveness towards the Omicron sublineage referred to as BA.2, which is rising in Britain and Denmark, discovering an analogous stage of safety towards symptomatic illness.
"After two doses effectiveness was 9 per cent and 13 per cent respectively for BA.1 and BA.2, after 25+ weeks," the UKHSA stated. "This elevated to 63 per cent for BA.1 and 70 per cent for BA.2 from two weeks following a booster vaccine."
(Reporting by Alistair Smout; Modifying by Kate Holton/Man Faulconbridge)
FILE - An aged man receives a booster vaccination towards COVID-19 in a short lived cellular vaccination centre in Erlangen, Germany, Nov. 2, 2021. (Daniel Karmann/dpa through AP)
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