季節性流感造成全球每年約290,000-650,000人的死亡。808Please respect copyright.PENANAgIh2ASv1Ef808Please respect copyright.PENANA6Dry0V8X8B
808Please respect copyright.PENANAftoXRoQYrX
流感病毒接近每年均會出現變種,基於現時並無統一疫苗對抗各品種,所以很多時候在翌年便要轉換對應的疫苗。808Please respect copyright.PENANAzbQR3qp1RI
808Please respect copyright.PENANALL812zuZLJ
(圖2)流感病毒外部、名為HA的部份,將主宰病毒能否進入人體細胞裡頭。808Please respect copyright.PENANAfSUAJp5M0N808Please respect copyright.PENANAEs4RDaAigJ
808Please respect copyright.PENANASxSpTpAcet
流感病毒的變異較常出現在頭部位置(Head),而現時疫苗的設計亦主要針對HA的頭部位置。808Please respect copyright.PENANAHbXu4MLThU
808Please respect copyright.PENANAZJZjxIYI2R
其目標是希望人們注射疫苗後,體內會產生對應HA頭部位置的抗體,阻止病毒進入人體細胞繼而作惡。808Please respect copyright.PENANAMluZK4zHTD
808Please respect copyright.PENANATbHrP1Okom
(圖3)另一方面來想,流感病毒變種就如不同顏色的花朵一樣。808Please respect copyright.PENANAvZ4e4OpaZn808Please respect copyright.PENANAi2GeqyPoLg
808Please respect copyright.PENANA3y5IVSouMd
雖然花朵各有不同,但莖部位置則大同小異。808Please respect copyright.PENANAm4uVtorncY
808Please respect copyright.PENANAR36e7IXTX0
(圖4)基於Stalk位置(花朵莖部位置)的變異成數較細,現時科學家正研發針對Stalk位置的疫苗(Ref1),希望可以透過一款疫苗對抗多款流感變種。808Please respect copyright.PENANAudTkxHMDFK808Please respect copyright.PENANAuYuDMiAOsA
808Please respect copyright.PENANAQvaugXxdTu
這類型的疫苗現時已進入Phase1狀態,人體試驗找來了51名人士,注射疫苗後體內亦得出相應的大量抗體。808Please respect copyright.PENANAEz3pgft4dF
808Please respect copyright.PENANALNuYelxQcd
而日後所進行的人體試驗,將會能夠獲取資料測量疫苗能否達到預防流感之效。808Please respect copyright.PENANA0eubvDrfH8
808Please respect copyright.PENANAQhD0cLL4Lm
若安全性、效率等等均達到合理水平的話,將來不但之可以不用經常轉換疫苗款式,亦能大大減低疫苗與當下流感款式不吻合的機會,皆大歡喜。808Please respect copyright.PENANALy4CQ1kli7
808Please respect copyright.PENANAS7wGRUPZz3
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。808Please respect copyright.PENANAcgg32uQh59
808Please respect copyright.PENANAXyVLZsYZMr
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/toc808Please respect copyright.PENANAs3YSXS2aFn
808Please respect copyright.PENANAa2YgpLj56k
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。808Please respect copyright.PENANArxk1lvwmun
808Please respect copyright.PENANA8AXZaaBdM0
Link:808Please respect copyright.PENANAXkFzWzKIiY
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio808Please respect copyright.PENANAk2miT7jjSF
808Please respect copyright.PENANAhzrybWukQf
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。808Please respect copyright.PENANAW3w2r9ixcL
808Please respect copyright.PENANATujUzwf609
https://www.instagram.com/potatopigtongue/808Please respect copyright.PENANAeMrmU12V7q
808Please respect copyright.PENANAeAtQOSf5nG
808Please respect copyright.PENANAKzAGNC4LKj
Ref1:https://www.nature.com/articles/s41591-020-1118-7808Please respect copyright.PENANAcAMUbPUz6l