Millions of older and more vulnerable Britons are expected to receive Covid-19 booster shots from September to strengthen their resistance over the winter and curb new variants, advisers to the UK government have recommended.
英國政府的顧問們已建議，預計數以百萬計年齡較大和較爲脆弱的英國人將從9月開始接種新冠疫苗加強針，以增強他們在冬季的抵抗力，並抑制新變種。
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