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港大學者:疫苗能否遏止疫情需視乎病毒繁殖及接種率

港大學者:疫苗能否遏止疫情需視乎病毒繁殖及接種率

Ta Kung Pao
Wednesday, May 18, 2022 06:20:53 AM UTC

  大公文匯全媒體報道,港大醫學院藥理及藥劑學系榮譽助理教授陳德光今日(18日)在一個電台節目表示,疫苗預防感染作用有限,目前變種病毒的繁殖數字非常高,如不推行內防反彈、外防輸入的措施,將不能夠成功阻擋新一波疫情的發生。

  陳德光稱,接種疫苗是否有效阻止下一波疫情爆發,除了視乎疫苗功效,亦要視乎病毒株繁殖數字及接種率。他認為,大部分60歲以下人士的風險較低,80歲以上人士如果不接種疫苗,感染後的死亡風險超過10%,長者接種疫苗,有助維護醫療系統。

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