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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。543Please respect copyright.ＰＥＮＡＮＡfx2CuzFIfJ
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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。543Please respect copyright.ＰＥＮＡＮＡnNsPy2DnkO
543Please respect copyright.ＰＥＮＡＮＡaL6Z6hhyto
（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。543Please respect copyright.ＰＥＮＡＮＡpizpydHywe
543Please respect copyright.ＰＥＮＡＮＡAskJJyGEJk
543Please respect copyright.ＰＥＮＡＮＡMpd5yPghkW
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。543Please respect copyright.ＰＥＮＡＮＡYmKdyjeV8M
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直至最近，才有科學家利用真實存在的武肺病毒進行實驗。543Please respect copyright.ＰＥＮＡＮＡsZWNV8r2CI
543Please respect copyright.ＰＥＮＡＮＡxt2ks2gw5W
（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。543Please respect copyright.ＰＥＮＡＮＡQa8oYeAmRN
543Please respect copyright.ＰＥＮＡＮＡUaDSV4c5IG
543Please respect copyright.ＰＥＮＡＮＡhrgDghJgbL
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。543Please respect copyright.ＰＥＮＡＮＡUuumCAAhFU
543Please respect copyright.ＰＥＮＡＮＡrlSM0MBcTu
（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。543Please respect copyright.ＰＥＮＡＮＡEmXFcREeF6
543Please respect copyright.ＰＥＮＡＮＡy5J9aHsId3
543Please respect copyright.ＰＥＮＡＮＡcEYAu2uzKf
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。543Please respect copyright.ＰＥＮＡＮＡEOS5ksXDBx
543Please respect copyright.ＰＥＮＡＮＡ1hAzLn1v7H
543Please respect copyright.ＰＥＮＡＮＡWxeE36QM1X
（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。543Please respect copyright.ＰＥＮＡＮＡawVCYt4fKb
543Please respect copyright.ＰＥＮＡＮＡyHo6NCJ7cl
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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。543Please respect copyright.ＰＥＮＡＮＡHoykLigoEW
543Please respect copyright.ＰＥＮＡＮＡkwiXRSSkL7
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。543Please respect copyright.ＰＥＮＡＮＡgl9l92yCbO
543Please respect copyright.ＰＥＮＡＮＡQREvizEkFA
543Please respect copyright.ＰＥＮＡＮＡFsOulJ686Z
（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。543Please respect copyright.ＰＥＮＡＮＡ1fVepQr81G
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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。543Please respect copyright.ＰＥＮＡＮＡuWU6sXlWhw
543Please respect copyright.ＰＥＮＡＮＡxKsiieD8EA
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。543Please respect copyright.ＰＥＮＡＮＡzY98uyMeDq
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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。543Please respect copyright.ＰＥＮＡＮＡeqTNMMVkac
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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/toc543Please respect copyright.ＰＥＮＡＮＡXUR0uH7dHF
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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。543Please respect copyright.ＰＥＮＡＮＡI60yRv60cu
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Link:543Please respect copyright.ＰＥＮＡＮＡHjjMh3F0Be
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio543Please respect copyright.ＰＥＮＡＮＡR5s8XprwN4
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有興趣接收科學資訊的話，歡迎follow IG: potatopigtongue。543Please respect copyright.ＰＥＮＡＮＡK6FC4ObqhF
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https://www.instagram.com/potatopigtongue/543Please respect copyright.ＰＥＮＡＮＡWSZv20rJpp
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Ref1:https://www.nature.com/articles/s41586-020-2895-3543Please respect copyright.ＰＥＮＡＮＡxS2eXaDIKE
