First estimate of booster jab impact on Omicron
初估加強針對Omicron的影響力
UK researchers haveanalysed the likely impact that a Covid booster shot will have on Omicron andsay it could provide around 85% protection against severe illness.
英國研究人員分析了Covid加強針可能對Omicron造成的影響，並表示其在對抗重症時能提供約85%上下的保護力。
The protection is a bit lessthan vaccines gave against earlier versions of Covid.
這個保護力僅稍微低於疫苗對抗先前版本的Covid時的。
But it means the top-up doseshould still keep many people out of hospital.
但這這針補充劑應仍能讓許多人免受疾病之苦。(超不確定這句的意思)
The modelling, from the teamat Imperial College London, is based on limited information on Omicron.
來自Imperial College London團隊的模型是基於一定限縮的Omicron資訊製造出來的。
The researchers say there isa high degree of uncertainty until more real world information is gatheredabout this new variant that is spreading quickly.
研究員表示這些資訊有高度的不確定性，除非能夠收集到更多關於這個正快速擴散中的病毒資訊。
Experts are still trying tofigure out how mild or severe Omicron will turn out to be.
專家仍在嘗試找出Omicron究竟會造成輕症還是重症的答案。
Vaccines help teach the bodyhow to fight Covid. But our current ones were not designed on the newly mutatedOmicron variant, meaning they are not a perfect match.
疫苗會幫助身體學習如何抵禦Covid。但我們最新的疫苗並不是針對最新變種Omicron的，這表示他們之間不是完美的配對。
To get round that, people inthe UK are being advised to have a booster dose to build up higher antibodylevels to fight the virus.
為了避免這件事情發生，英國便開始建議要打加強針，以讓身體建構出更高的抗體好對付病毒。
Antibodies can stick ontothe virus to stop it entering cells and replicating.
抗體能夠持續阻止病毒進入細胞與進行複製。
Studies have suggested a 20to
40-foldreduction in the ability of these antibodies from double-vaccinated peopleto take out the virus.
研究結果顯示在接種兩劑的人們體內，此種抗體在對抗病毒的能力降低20到40倍。
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每日BBC - 初估加強針對Omicron的影響力
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