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      1. 科普中國 提交流言

        流感疫苗無法預防流感,無需接種

        流言由于流感病毒的多變性,每年流行的感冒病毒都是不同種,很難預測什么樣的疫苗能有效防護,所以這種事更像是買彩票,抽中就有效,否則完全無效,十分不靠譜。
        展開

        真相誠然,由于病毒變異速度相當快,堅持接種疫苗也不能百分之百保證不得流感,但流感疫苗確實可以減少流感病例的發生,接種疫苗也是預防流感的最好辦法。

        論證

        誠然,流感病毒的變異速度相當快,即使每年更新,也不能保證疫苗接種覆蓋全部的“當季流行款”。堅持接種疫苗,也不能百分之百保證不得流感,這可能讓人感覺有些失望,但流感疫苗確實可以減少流感病例的發生。目前的研究數據顯示,與安慰劑或無干預措施相比,接種季節性流感疫苗可以減少6歲以下兒童、孕婦和65歲以上老年人等人群中的流感病例[1]。除了減少病例數之外,流感疫苗接種也可以減少兒童、慢性病患者等高危人群因為流感而發生嚴重并發癥住院的風險。一項美國的研究發現,在2010~2012年的流感季當中,流感疫苗的接種可以使兒童發生致命的嚴重流感并發癥的風險減少約四分之三[2]。

        不同時間流行的流感病毒與流感疫苗的重合程度不盡相同,不同接種人群中的效果可能也有差異,因此很難用慨括的數字說明流感疫苗的有效程度,不過它依然是值得使用的預防措施。目前,各大醫學專業機構也一致推薦人們進行接種。

        美國兒科學會(AAP)下屬網站指出,所有人都應每年接種新的流感疫苗,接種流感疫苗是預防流感的最好辦法。AAP建議,對于所有6月齡以上的兒童都應該每年接種流感疫苗。世界衛生組織流感疫苗立場文件中也提到,建議每年接種一次流感疫苗,以確保疫苗與流感病毒流行株之間的最佳匹配。對6個月以下的孩子,也應該讓與他親密接觸的人們接種疫苗來減少傳染風險。


        參考資料

        [1] http://www.who.int/immunization/documents/positionpapers/en/
        [2] http://jid.oxfordjournals.org/content/210/5/674
        內容來源:“意大利兒科醫生的忠告”:名為建議,實為誤導,二喵居士,果殼網科學人主題站

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        • 匿名用戶 2017-08-17 16:01
          流感病毒分型很多,而且一直變異,講實話,真的是不如不接中。
        • 匿名用戶 2017-01-22 21:40
          沒有預防作用,我家六人接種,五人嚴重感冒
        • 匿名用戶 2017-01-22 21:40
          沒有預防作用,我家六人接種,五人嚴重感冒
        • 匿名用戶 2016-09-09 18:32
          流感病毒的亞型每年都在變化,而相反的是,疫苗針對的病毒亞型始終如一,所以真的還不如不打~
        • 匿名用戶 2016-05-12 07:34
          Hey Maria &#8211; I do have some more photos although there wa;#7n821&st a view from the hill as the top of the hill is basically like a forest, so there were not clear views down to the town below. Most of my photos of that night involve tombstones and me acting frightened in front of tombstones I&#8217;ll be putting some more photos up in another post that I&#8217;ll publish soon&#8230;
        • 匿名用戶 2016-05-04 19:57
          主要是中國的疫苗有毒 不如不種
        • 匿名用戶 2015-06-29 19:09
          這一條實在是太惡毒了

        共同編輯: 岡部紅莉棲

        最后更新:2014-12-16 17:01

        分類: 醫學健康> 藥物     標簽:流感/疫苗

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