A 3rd booster dose of COVID-19 vaccine supplies 70-75 per cent safety in opposition to symptomatic an infection from the Omicron variant, the UK Well being Safety Company (UKHSA) stated on Friday.
In its newest technical briefing, the company stated that two doses of each the Oxford/AstraZeneca – administered in India as Covishield – and Pfizer/BioNtech vaccines present “a lot decrease ranges” of safety in opposition to symptomatic an infection in comparison with the presently dominant Delta variant of COVID-19.
Nonetheless, a 3rd top-up dose does appear to spice up immunity in opposition to the brand new variant, based mostly on an evaluation of knowledge from 581 Omicron circumstances.
“It’s projected that if present developments proceed unchanged, the UK will exceed a million infections by the top of this month,” the UKHSA stated.
“The preliminary knowledge confirmed effectiveness in opposition to the brand new variant seems to extend significantly within the early interval after a booster dose, offering round 70-75 per cent safety in opposition to symptomatic an infection. Because of the early nature of the findings, all estimates are topic to important uncertainty and are topic to alter,” it stated.
The well being specialists reiterated that vaccines had been nonetheless prone to supply good safety in opposition to extreme COVID, which required hospital therapy.
Dr Mary Ramsay, Head of Immunisation on the UKHSA, stated: “These early estimates needs to be handled with warning however they point out that a couple of months after the second jab, there’s a larger threat of catching the Omicron variant in comparison with Delta pressure.
“We count on the vaccines to indicate larger safety in opposition to the intense issues of COVID-19, so if you have not but had your first two doses please e-book an appointment immediately.”
She highlighted the present steerage of working from residence the place potential, constantly sporting masks in crowded or enclosed areas, washing your arms often and isolating and getting examined in the event you really feel unwell as vitally essential in decreasing the influence of COVID-19.
The scientific evaluation is launched because the UK recorded one other day of excessive day by day infections at 58,194 on Friday.