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武漢肺炎病毒現時的主流品種為D614G，一道較為簡易的說明方法就是原來的D614品種變異成為G614品種。652Please respect copyright.ＰＥＮＡＮＡ7wibJqOzjk
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而根據GISAID公開資料庫記錄，G614品種最先在1月24日的四川病毒樣本出現。652Please respect copyright.ＰＥＮＡＮＡt7daThVpQB
652Please respect copyright.ＰＥＮＡＮＡgJ6sGpdchh
（圖2）何解G614品種能夠成為主流，一直是科學家想解答的問題。652Please respect copyright.ＰＥＮＡＮＡbjBqKp7uiP
652Please respect copyright.ＰＥＮＡＮＡ5gjeepILRu
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之前所獲得的實驗數據，大多是從病毒一小段的部份、或者是合成病毒獲取結果，沒能百分百反映現實。652Please respect copyright.ＰＥＮＡＮＡrRUymVFXkF
652Please respect copyright.ＰＥＮＡＮＡNi4teBuXnW
直至最近，才有科學家利用真實存在的武肺病毒進行實驗。652Please respect copyright.ＰＥＮＡＮＡyRUHkMNKj2
652Please respect copyright.ＰＥＮＡＮＡFjNKBbkQoY
（圖3）在研究中（Ref1)，科學家將D614品種及G614品種以1 : 1的比例從倉鼠的鼻孔注入其體內。652Please respect copyright.ＰＥＮＡＮＡYrVDCYvxBF
652Please respect copyright.ＰＥＮＡＮＡGZ3Ca3CzVd
652Please respect copyright.ＰＥＮＡＮＡx0ete32gNQ
如果最終G614品種/D614品種的比例大於1的話，亦即是代表G614品種在繁殖方面比D614品種更為優勝。652Please respect copyright.ＰＥＮＡＮＡ8evTxXnd0P
652Please respect copyright.ＰＥＮＡＮＡaYaiffVUpT
（圖4）倉鼠受病毒感染7日後，鼻孔、氣管及肺部個別區域的G614品種/D614品種均大於1，顯示G614品種在上述區域有著較佳的繁殖優勢。652Please respect copyright.ＰＥＮＡＮＡr6Ve6VWziy
652Please respect copyright.ＰＥＮＡＮＡlI72bwJvlj
652Please respect copyright.ＰＥＮＡＮＡGOMwdCK4mM
同時在實驗室的人體肺部細胞中，就算用上D614品種及G614品種以9 : 1的比例方式感染，G614品種/D614品種在其後感染日子均呈大於1的狀態，更進一步顯示G614品種的繁殖優勢。652Please respect copyright.ＰＥＮＡＮＡXa0zOKh0Rm
652Please respect copyright.ＰＥＮＡＮＡzjNu36R3ol
652Please respect copyright.ＰＥＮＡＮＡaPFdyyGmjt
（圖5）科學家同時亦發現，G614品種的病毒在各種溫度上均比D614品種相對為穩定。652Please respect copyright.ＰＥＮＡＮＡbvK6MBnwsD
652Please respect copyright.ＰＥＮＡＮＡ33TwOC4bgv
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不過好消息是，對抗D614品種的抗體，其對抗G614品種品種效率並無任何損傷。652Please respect copyright.ＰＥＮＡＮＡUN4OwIAvIU
652Please respect copyright.ＰＥＮＡＮＡ9vPjmSZcDy
這亦即間接顯示出以D614品種作原材料的疫苗，其產生的抗體亦能有效對抗G614品種病毒，而事實上現今亦有疫苗是利用G614品種作原材料，奈何是鄰國出品。652Please respect copyright.ＰＥＮＡＮＡLcCEthVS4g
652Please respect copyright.ＰＥＮＡＮＡuu1o3gnlCr
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（圖6）至於近來在挪威發現的新變種M439K品種，基於是新發現的關係，現時醫學界及學術界均無任何學術文章作詳細研究其特性。652Please respect copyright.ＰＥＮＡＮＡE5cM7Ihdwq
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莫論病毒變種與否，只需一個乞嗤，病毒就已經不需近距離接觸，便能透過體液傳播至他人。652Please respect copyright.ＰＥＮＡＮＡB4ZFCymrsG
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將「新變種」及「不需近距離接觸」串連在一起的報導手法，有著混淆視聽的成份，並不可取。652Please respect copyright.ＰＥＮＡＮＡbaedAwwsQq
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如果想我快啲出文的話，請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark，這對我非常之重要。652Please respect copyright.ＰＥＮＡＮＡUTIuwjfygu
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Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc652Please respect copyright.ＰＥＮＡＮＡgTLjhgpwmX
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同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」，以課金的方式推動我繼續搜羅資料寫文，多謝。652Please respect copyright.ＰＥＮＡＮＡwAO0111WLD
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Link:652Please respect copyright.ＰＥＮＡＮＡHvJ4d5KHVH
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio652Please respect copyright.ＰＥＮＡＮＡUnpkyRnTpZ
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有興趣接收科學資訊的話，歡迎follow IG: potatopigtongue。652Please respect copyright.ＰＥＮＡＮＡxZRR5jot2S
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https://www.instagram.com/potatopigtongue/652Please respect copyright.ＰＥＮＡＮＡeSRYhXBwtp
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Ref1:https://www.nature.com/articles/s41586-020-2895-3652Please respect copyright.ＰＥＮＡＮＡsqin7wSbrr
