30 Jul

流感延燒,衛福部傳染病防治諮詢會預防接種組召集人李秉穎今(27)日分析,夏季流感可能是全球暖化等因素導致,待持續觀察,目前暫時不改變疫苗接種政策,仍維持10月開打流感疫苗。
台灣疫苗推動協會今舉辦「高齡精準流感預防策略趨勢論壇」,疾管署長莊人祥致詞說,流感疫苗每年主要對象還是高齡者,除新冠期間之外,每年的流感併發重症仍上百至千例住進加護病房,死亡人數以65歲以上為多。政府每年提供公費流感疫苗,將年滿65歲以上長者列為優先接種對象,以降低老年人的感染機率,為提升施打率,將研議擴大辦理醫療院所及衛生單位的接種獎勵。
今年流感季疫情在秋冬流感季過後延續至今,衛福部疾管署統計,本流感季自2023年10月至今年7月,累計1389例流感併發重症,65歲以上長者占57%為多;死亡281例中,65歲以上長者占71% (其中七成以上未接種流感疫苗)。依疫情監測資料顯示,整體趨勢趨緩,預估流感疫情可望提前於7月底脫離流行期,須留意疫情後續變化。
李秉穎認為,重點在要提升長者的接種率, 65歲以上長者是最該接種流感疫苗的對象之一,接種率卻只有一半,遠低美日等先進國家,因長者擔心打疫苗恐引發心肌梗塞、腦中風等錯誤觀念,事實上長者本就有許多潛在疾病,卻被誤導認為疫苗很危險。
至於夏季流感的原因,李秉穎表示,台灣處在亞熱帶地區,有時夏天就會小規模流行,再加上全球暖化,流感反而會是在夏天多雨的季節流行。
李秉穎指出,另外,COVID-19疫情後出現免疫負債。疫情期間,很多人都沒有得過流感,世界各國都發現,本來冬天流行的病毒,到了夏天傳播力雖較弱,因免疫負債導致免疫功能相對差,同樣造成流行。
這樣的變化是長期還是短期,李秉穎說,要長期觀察,不能只看這1、2年,今年疫苗維持10月開打。
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