
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。683Please respect copyright.PENANAh1x84gmYtn683Please respect copyright.PENANAP6HClw56Si
683Please respect copyright.PENANACgxkONWzRY
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。683Please respect copyright.PENANAtnuZU9h9uu
683Please respect copyright.PENANAImuJ2rCJnJ
(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。683Please respect copyright.PENANAZZ7kcFQl4O683Please respect copyright.PENANAlhIgvE0PCv
683Please respect copyright.PENANAlbDLc3EZ5c
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。683Please respect copyright.PENANAYoPR897FFi
683Please respect copyright.PENANAA7zSbWvafp
直至最近,才有科學家利用真實存在的武肺病毒進行實驗。683Please respect copyright.PENANAJYPYjugsiI
683Please respect copyright.PENANArNMjXFGycp
(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。683Please respect copyright.PENANAL4tuFXuvAY683Please respect copyright.PENANAAbFv7ReQju
683Please respect copyright.PENANAKAaUK7G1u0
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。683Please respect copyright.PENANAv6k3gAbjYu
683Please respect copyright.PENANAc39B5RufBU
(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。683Please respect copyright.PENANAcaJA0ErwrH683Please respect copyright.PENANAsJupNWMrk7
683Please respect copyright.PENANAO1Lv5SScm0
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。683Please respect copyright.PENANA94IDzjnWQz
683Please respect copyright.PENANAG0KWjLPItt
683Please respect copyright.PENANAAKNjxYKXcT
(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。683Please respect copyright.PENANA3lJxo4iRr0683Please respect copyright.PENANAUlT36xVaQW
683Please respect copyright.PENANANg0sSe8YLg
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。683Please respect copyright.PENANAePHeuFFnK3
683Please respect copyright.PENANAjDynqSpRS1
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。683Please respect copyright.PENANAi6uCYRkDJR
683Please respect copyright.PENANAtsIi41tmUL
683Please respect copyright.PENANAGMieok4vWz
(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。683Please respect copyright.PENANAoRlF8X7MZ5683Please respect copyright.PENANAfoE3JObqSQ
683Please respect copyright.PENANAaJGJjKESRC
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。683Please respect copyright.PENANAAf1sMbC6AE
683Please respect copyright.PENANAXlUb61Ou9e
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。683Please respect copyright.PENANAvF560tMixX
683Please respect copyright.PENANAFUlOxHD9jx
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。683Please respect copyright.PENANAnO1GGeymgN
683Please respect copyright.PENANAc2ewmDpxXU
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/toc683Please respect copyright.PENANAkygAiqYPso
683Please respect copyright.PENANACzep5EW0em
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。683Please respect copyright.PENANAfcNKmdfnF6
683Please respect copyright.PENANA8QNHzIVmLH
Link:683Please respect copyright.PENANAwQKHOiZZnD
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio683Please respect copyright.PENANAIwB56nWB0X
683Please respect copyright.PENANA9EKMtn5DQe
683Please respect copyright.PENANAe7fcRgcDH3
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。683Please respect copyright.PENANAuNCoEIzu9S
683Please respect copyright.PENANAduHgaDeS31
https://www.instagram.com/potatopigtongue/683Please respect copyright.PENANAr5drj16UON
683Please respect copyright.PENANA8nBrDZbdjr
683Please respect copyright.PENANAdGQsgqdKef
Ref1:https://www.nature.com/articles/s41586-020-2895-3683Please respect copyright.PENANAOWPEGmjCsB