
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。697Please respect copyright.PENANAfRTcl0e5dp697Please respect copyright.PENANAjZQdmu7h0H
697Please respect copyright.PENANAS3z585NYiN
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。697Please respect copyright.PENANANCaaBO5oMa
697Please respect copyright.PENANAKsJIoakfYf
(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。697Please respect copyright.PENANADk1Guhd0m3697Please respect copyright.PENANAbWRiyC4oiI
697Please respect copyright.PENANAMflJVxFzfR
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。697Please respect copyright.PENANAdWUSCRePcR
697Please respect copyright.PENANAThMjqy66kn
直至最近,才有科學家利用真實存在的武肺病毒進行實驗。697Please respect copyright.PENANAdNnwF5GDjX
697Please respect copyright.PENANAvaHNaVhpwy
(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。697Please respect copyright.PENANAXVenOAFIrb697Please respect copyright.PENANASMKIPZEbwh
697Please respect copyright.PENANAESerlIgsOu
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。697Please respect copyright.PENANAiamPbW4wbg
697Please respect copyright.PENANAJGKi2WDe3C
(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。697Please respect copyright.PENANA5Gnh2RFcaB697Please respect copyright.PENANAPaTq5oL6IG
697Please respect copyright.PENANAOveAIvUEQp
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。697Please respect copyright.PENANA4TE2FCVh5v
697Please respect copyright.PENANAZmc1BnXqTI
697Please respect copyright.PENANAQybodfJRrf
(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。697Please respect copyright.PENANAZj35jM93ZI697Please respect copyright.PENANARnuWmGIWSq
697Please respect copyright.PENANAmF1RK1XBmK
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。697Please respect copyright.PENANA08u9JGWnWn
697Please respect copyright.PENANAhg9cn5RiTT
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。697Please respect copyright.PENANAUF0g5JNUzn
697Please respect copyright.PENANAcvK081Vc9E
697Please respect copyright.PENANADcKFfTci4m
(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。697Please respect copyright.PENANAp8QmduptX9697Please respect copyright.PENANAcbRfqRx65Q
697Please respect copyright.PENANAFWvZlaV9K8
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。697Please respect copyright.PENANAiy7JjjqkvT
697Please respect copyright.PENANA0oBXOLWYXI
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。697Please respect copyright.PENANAwPV8rx8mkf
697Please respect copyright.PENANAX1muEbVWZo
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。697Please respect copyright.PENANAO1CTFMQ2dN
697Please respect copyright.PENANAi44rDoB2Pe
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/toc697Please respect copyright.PENANAMnb7FhagUu
697Please respect copyright.PENANAMTdIPow8SS
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。697Please respect copyright.PENANAEbjbIjDdcf
697Please respect copyright.PENANAMiyKwMyENc
Link:697Please respect copyright.PENANAmo9F1KiIIf
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio697Please respect copyright.PENANAqhqua0FDQQ
697Please respect copyright.PENANA9zV2O6se8W
697Please respect copyright.PENANAE6KNR2GNUO
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。697Please respect copyright.PENANA3FAZhOTgzb
697Please respect copyright.PENANAVvx29MsLKM
https://www.instagram.com/potatopigtongue/697Please respect copyright.PENANAO1c9viXf1d
697Please respect copyright.PENANAqXpKhVkF9E
697Please respect copyright.PENANAvtjn8R4pFk
Ref1:https://www.nature.com/articles/s41586-020-2895-3697Please respect copyright.PENANADd9yi6LYxz