Covid booster shot could provide around 85% protection against severe illness from Omicron, UK researchers say
UK researchers have analysed the likely impact that a Covid booster shot will have on Omicron and say it could provide around 85% protection against severe illness.But it means the top-up dose should still keep many people out of hospital., from the team at Imperial College London, is based on limited information on Omicron.
Vaccines help teach the body how to fight Covid. But the current ones in use were not designed to combat the heavily-mutated Omicron variant, meaning they are not a perfect match. Even with a booster, protection against severe disease from Omicron may be around 80 to 85.9%, compared to around 97% for Delta - the other variant that is currently dominant in the UK.
One of the Imperial researchers Prof Azra Ghani said: "One remaining uncertainty is how severe the disease caused by the Omicron variant is compared to disease caused by previous variants.
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