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。627Please respect copyright.PENANAVgW2n7y03a627Please respect copyright.PENANAU6Iwg79mhD
627Please respect copyright.PENANAM41jbNagka
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。627Please respect copyright.PENANAxC83fFpm3l
627Please respect copyright.PENANALszZN9FaEM
(圖2)圖中為康希諾及牛津疫苗兩款疫苗的扼要原理。627Please respect copyright.PENANADTKzwlOBVm627Please respect copyright.PENANAKVr1gcHzGf
627Please respect copyright.PENANAhja1oGrSE5
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。627Please respect copyright.PENANA7u77QLFaaO
2. 病毒進入人體細胞。627Please respect copyright.PENANAUg7YiyX3pP
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。627Please respect copyright.PENANAZYgVo0QpnV
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。627Please respect copyright.PENANAWJiV3qZOyy
627Please respect copyright.PENANAGiRee8EHaG
(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。627Please respect copyright.PENANAlAfUC4LZis627Please respect copyright.PENANAcV8UlwKFbh
627Please respect copyright.PENANAuM6BicgNBm
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。627Please respect copyright.PENANAqvKeygZ9e2
627Please respect copyright.PENANAx4eKjH5Oxi
以這方面來看,牛津疫苗的設計比康希諾技勝一籌。627Please respect copyright.PENANAlOlEGLtFoL
627Please respect copyright.PENANA84yXupElx8
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。627Please respect copyright.PENANAxbg39bmkHD
627Please respect copyright.PENANA1nbG4pbg3J
延伸閱讀:627Please respect copyright.PENANAu9an4rmsae
深入淺出–林鄭注射輝瑞/科興疫苗的最壞後果627Please respect copyright.PENANAGmpQiK9HY9
- 分享自 LIHKG 討論區627Please respect copyright.PENANAdDQPn12hrF
https://lih.kg/2332347627Please respect copyright.PENANA9sZ6Mhe6vB
627Please respect copyright.PENANAhcyxXXSeDh
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。627Please respect copyright.PENANAVIHv33LQkl
627Please respect copyright.PENANAmgJbd2qAX2
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/toc627Please respect copyright.PENANAL5ADdvWYNs
627Please respect copyright.PENANANeqK3BXfqS
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。627Please respect copyright.PENANAnZiVNfmUWh
627Please respect copyright.PENANAtHfUR9hxJt
Link:627Please respect copyright.PENANAznNesqqTUG
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio627Please respect copyright.PENANAWiFbADQpzV
627Please respect copyright.PENANAcLdHYxpw1q
627Please respect copyright.PENANAwmRKKZPXNg
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。627Please respect copyright.PENANAsGJNau5DZm
627Please respect copyright.PENANAhADvgEuc6F
Ref1:https://science.sciencemag.org/content/370/6522/1263627Please respect copyright.PENANAea4gvZ54hb
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6067905/627Please respect copyright.PENANAylVBCqU5FB
Ref3:https://www.bloomberg.com/news/articles/2021-02-08/pakistan-says-cansino-s-covid-vaccine-shows-65-7-efficacy627Please respect copyright.PENANAuFOFTTuM7d