國藥及科興是中國兩款滅活病毒疫苗。而科興數據其可信性之高,就連公開聲稱戴口罩便沒法說話的梁卓偉院長也怕怕唔敢打。355Please respect copyright.PENANARaGA0l8E0u
355Please respect copyright.PENANAl79Wwsoh4I
355Please respect copyright.PENANAwF2c8g3DyO
大概是因為中國頭兩款疫苗過於「聲名大噪」,其第三款疫苗康希諾疫苗的關注度則相對較為低。而事實上,康希諾(Cansino)的疫苗設計其實是跟牛津疫苗非常相似。355Please respect copyright.PENANAp2VBzQYh2z
355Please respect copyright.PENANAgb55nyByd5
(圖2)圖中為康希諾及牛津疫苗兩款疫苗的扼要原理。355Please respect copyright.PENANAiQFm1qG6Nd
355Please respect copyright.PENANAfFMBz7Kvii
355Please respect copyright.PENANAhd6IeJ7Np1
1.疫苗的主要成份為已被削弱複製能力且無害的病毒,內含武肺S蛋白的DNA資訊。355Please respect copyright.PENANA0NVHCcFnyO
2. 病毒進入人體細胞。355Please respect copyright.PENANAly01o3U6rH
3. 人體細胞利用病毒內含的武肺S蛋白DNA資訊,製作武肺S蛋白。355Please respect copyright.PENANAu4trYTCKFG
4.免疫系統的相關細胞辨認武肺S蛋白是為外來之物,因而製作相應的抗體。355Please respect copyright.PENANAJAVedhAdKJ
355Please respect copyright.PENANATHxDg8QPtO
(圖3)因為康希諾疫苗所用的是人類常見的感冒病毒,約4-6成的人早已擁有對抗這感冒病毒的抗體,因此病毒還沒能進入細胞之前(圖2的步驟2),便早已被自身的抗體攔截。355Please respect copyright.PENANA0looHW2h1Y
355Please respect copyright.PENANAdDWy9ZYpTo
355Please respect copyright.PENANARk8KKBgeLi
而牛津所用的是黑猩猩所搵到的感冒病毒,原理上人體並沒有對應的抗體,因此亦相對上更易進入細胞。355Please respect copyright.PENANARmtwW1Bzl1
355Please respect copyright.PENANAMQkylXxbBD
以這方面來看,牛津疫苗的設計比康希諾技勝一籌。355Please respect copyright.PENANAXyG0K6P38z
355Please respect copyright.PENANAaqSBqHzIX9
最近Bloomberg (Ref3)表示Cansino疫苗的保護效率達65.7%,而它跟Johnson&Johnson的疫苗一樣,均是一次性的方式注射。355Please respect copyright.PENANAry5A1FH9Da
355Please respect copyright.PENANAEIy7sk9lug
延伸閱讀:355Please respect copyright.PENANAKjxRv8jssY
深入淺出–林鄭注射輝瑞/科興疫苗的最壞後果355Please respect copyright.PENANA1NJF5A5wlJ
- 分享自 LIHKG 討論區355Please respect copyright.PENANAKTqwNS6tvR
https://lih.kg/2332347355Please respect copyright.PENANAkLq6YyTlmb
355Please respect copyright.PENANAPNvZsmH3p4
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。355Please respect copyright.PENANAtRYfHU4Lru
355Please respect copyright.PENANAnNCi2XmUpC
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/toc355Please respect copyright.PENANAUyL0IwwopQ
355Please respect copyright.PENANA13McozcwUp
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。355Please respect copyright.PENANAG7SH0j01Cp
355Please respect copyright.PENANAYxeiji6x0w
Link:355Please respect copyright.PENANAhAaauZpv1d
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio355Please respect copyright.PENANAYaZ5rqZbNe
355Please respect copyright.PENANAD88tpMs9rG
355Please respect copyright.PENANAMQ6D0NPM6Q
除非Facebook及IG重開侵侵的account,否則我的IG將不會再作更新,只會寄居本土LIHKG及Penana。355Please respect copyright.PENANAaD3nI3dXtk
355Please respect copyright.PENANA2ZdNJJF4Y9
Ref1:https://science.sciencemag.org/content/370/6522/1263355Please respect copyright.PENANAwwaVouiF0t
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6067905/355Please respect copyright.PENANAPu7exXN21F
Ref3:https://www.bloomberg.com/news/articles/2021-02-08/pakistan-says-cansino-s-covid-vaccine-shows-65-7-efficacy355Please respect copyright.PENANA9idX4bJ4Xn