
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。675Please respect copyright.PENANAKSAiyVyv9D675Please respect copyright.PENANAkT6CQYX71B
675Please respect copyright.PENANAKAuUA8bw9k
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。675Please respect copyright.PENANAz4vjmk5nlm
675Please respect copyright.PENANAZky1wxnDte
(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。675Please respect copyright.PENANAL6dPn6mkXU675Please respect copyright.PENANAJFw4fVfurP
675Please respect copyright.PENANAANoUtMSUqL
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。675Please respect copyright.PENANAeSZJWSKMUv
675Please respect copyright.PENANAE3c423AtOK
直至最近,才有科學家利用真實存在的武肺病毒進行實驗。675Please respect copyright.PENANAGFPwGA1lrg
675Please respect copyright.PENANAeJquG0e33c
(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。675Please respect copyright.PENANAwiEmE22G6V675Please respect copyright.PENANAh3C13so1cC
675Please respect copyright.PENANAUJTAzSRDrQ
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。675Please respect copyright.PENANAIEDWD9jkYt
675Please respect copyright.PENANASVIY5g8cmb
(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。675Please respect copyright.PENANA1oza9aGTiK675Please respect copyright.PENANAc0I2uew4pJ
675Please respect copyright.PENANAgha3cmfiQe
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。675Please respect copyright.PENANAOlp2Tg1MZC
675Please respect copyright.PENANA5zuRNoXAhs
675Please respect copyright.PENANAxlDYLV5hWC
(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。675Please respect copyright.PENANA4qbiZFCkGg675Please respect copyright.PENANA1UJBgpNPRr
675Please respect copyright.PENANAz5uifjhmQN
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。675Please respect copyright.PENANA7q5miVcacO
675Please respect copyright.PENANA8QRUXvZXmE
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。675Please respect copyright.PENANAahxx1UzWBH
675Please respect copyright.PENANAY9GYIfmYmy
675Please respect copyright.PENANAQko3y0DwFt
(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。675Please respect copyright.PENANADQ95yjsY2d675Please respect copyright.PENANAlQ4AMZNBw0
675Please respect copyright.PENANAgKiHrSbAuz
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。675Please respect copyright.PENANAJsm1frs4zC
675Please respect copyright.PENANAg81AFxZb95
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。675Please respect copyright.PENANAadQcRbVvXB
675Please respect copyright.PENANAAognrfEuAy
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。675Please respect copyright.PENANAsD4OTK3ef6
675Please respect copyright.PENANAavOnHeQCTX
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/toc675Please respect copyright.PENANArwG3sR7Nmq
675Please respect copyright.PENANAYJeaEnxumJ
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。675Please respect copyright.PENANA523OTOnluK
675Please respect copyright.PENANASl0GCMFOjQ
Link:675Please respect copyright.PENANArP7tPnmggV
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio675Please respect copyright.PENANAYeaN2Vn10s
675Please respect copyright.PENANAQU3rTuuLiA
675Please respect copyright.PENANAgfF8E3e0E0
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。675Please respect copyright.PENANAL619ovspfe
675Please respect copyright.PENANAafXe2BzQNP
https://www.instagram.com/potatopigtongue/675Please respect copyright.PENANAeOVzsdfvNu
675Please respect copyright.PENANAg43GmZKdgx
675Please respect copyright.PENANAOH7Wk9ENAq
Ref1:https://www.nature.com/articles/s41586-020-2895-3675Please respect copyright.PENANAPfGU7F5Sas