季節性流感造成全球每年約290,000-650,000人的死亡。882Please respect copyright.PENANAsmsu0DDS2G882Please respect copyright.PENANAYG2mPZpmOs
882Please respect copyright.PENANAcdpURirhse
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。882Please respect copyright.PENANAMq2q8ifDJ3
882Please respect copyright.PENANAmqZRkqqJVL
(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。882Please respect copyright.PENANAorBCcV9WJF882Please respect copyright.PENANAbkyxJ78qyL
882Please respect copyright.PENANAWUxhSsvoHC
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。882Please respect copyright.PENANAbjLb8Mn207
882Please respect copyright.PENANAIbQcgJXkzo
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。882Please respect copyright.PENANAscAFwSD2cz
882Please respect copyright.PENANADDnj7ksrYH
(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。882Please respect copyright.PENANALLI79Yz7KD882Please respect copyright.PENANAN17ShZSh0f
882Please respect copyright.PENANAl815zekm8l
雖然花朵各有不同,但莖部位置則大同小異。882Please respect copyright.PENANAJZGmju4fFx
882Please respect copyright.PENANAvoiyi8mzMV
(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。882Please respect copyright.PENANAgWZxV8Qd4N882Please respect copyright.PENANAVKShAirokC
882Please respect copyright.PENANAOubQOvFIz8
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。882Please respect copyright.PENANAvGWnFfGGY4
882Please respect copyright.PENANAzbvZacKsuP
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。882Please respect copyright.PENANA8ESDao7oY9
882Please respect copyright.PENANAAX7H2AzGYS
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。882Please respect copyright.PENANAhT4lWghJ8P
882Please respect copyright.PENANApVVotM3RUP
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。882Please respect copyright.PENANAJ5Uj6Z6JVC
882Please respect copyright.PENANAr3e7Pw5GRa
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/toc882Please respect copyright.PENANAkStgrPPHRs
882Please respect copyright.PENANAq6rAEVVKBB
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。882Please respect copyright.PENANAP3AHlWgy7J
882Please respect copyright.PENANA7ryaIB7CHU
Link:882Please respect copyright.PENANAY91zJIP9bU
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio882Please respect copyright.PENANAwyuyB7gtOS
882Please respect copyright.PENANA4hqhzYQGyr
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。882Please respect copyright.PENANAWc0CxLHteR
882Please respect copyright.PENANAIW3AyMhwRn
https://www.instagram.com/potatopigtongue/882Please respect copyright.PENANArFSQ7lMP26
882Please respect copyright.PENANAooMGlCOMTX
882Please respect copyright.PENANAUzekitVPFR
Ref1:https://www.nature.com/articles/s41591-020-1118-7882Please respect copyright.PENANAggILoWYFaZ