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。517Please respect copyright.PENANAzuvoNAL7px517Please respect copyright.PENANAt7jSYw5AHI
517Please respect copyright.PENANAPbfPDshnmD
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。517Please respect copyright.PENANAiMwjIGL47y
517Please respect copyright.PENANA8vd29OjKO6
(圖2)圖中為康希諾及牛津疫苗兩款疫苗的扼要原理。517Please respect copyright.PENANA7TNVIR9nuE517Please respect copyright.PENANAzUNB6JKLce
517Please respect copyright.PENANALcyxouGfUj
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。517Please respect copyright.PENANAATOcSpZ0gD
2. 病毒進入人體細胞。517Please respect copyright.PENANAp2tqWvaTGS
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。517Please respect copyright.PENANAZeYNjUa6oO
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。517Please respect copyright.PENANAuwPWkKno41
517Please respect copyright.PENANAA6OlEJU2yQ
(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。517Please respect copyright.PENANAcv0Kc5BHaW517Please respect copyright.PENANAtzWZ7pOQGI
517Please respect copyright.PENANASWge3se4cO
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。517Please respect copyright.PENANAuhg4IpCElz
517Please respect copyright.PENANAJBMIfMvxaw
以這方面來看,牛津疫苗的設計比康希諾技勝一籌。517Please respect copyright.PENANA5zAT2SDAPd
517Please respect copyright.PENANA0eSEmRtJzc
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。517Please respect copyright.PENANAfKsZQaMMxA
517Please respect copyright.PENANAcOx12Ut7C8
延伸閱讀:517Please respect copyright.PENANAoSwZOrq0rG
深入淺出–林鄭注射輝瑞/科興疫苗的最壞後果517Please respect copyright.PENANAV7FgqniTn1
- 分享自 LIHKG 討論區517Please respect copyright.PENANAsGfNaJZhSR
https://lih.kg/2332347517Please respect copyright.PENANAiDxQWlOQA9
517Please respect copyright.PENANAwmjrAu4wB5
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。517Please respect copyright.PENANAxSYeH04HG6
517Please respect copyright.PENANAdJ6QbieGAu
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/toc517Please respect copyright.PENANAHbhMwhZ5xa
517Please respect copyright.PENANA0WZ0IPQAR7
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。517Please respect copyright.PENANABHhXZ9RRZO
517Please respect copyright.PENANAR5MBMB4KZt
Link:517Please respect copyright.PENANANIW9ps28K4
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio517Please respect copyright.PENANAZhTp1stZjw
517Please respect copyright.PENANAfWv0VIX1Na
517Please respect copyright.PENANAOuQliM2d0N
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。517Please respect copyright.PENANAneZu1Xw6OI
517Please respect copyright.PENANASETg2V03s0
Ref1:https://science.sciencemag.org/content/370/6522/1263517Please respect copyright.PENANAb5ZWAqd2zN
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6067905/517Please respect copyright.PENANAKPfAWMO5ot
Ref3:https://www.bloomberg.com/news/articles/2021-02-08/pakistan-says-cansino-s-covid-vaccine-shows-65-7-efficacy517Please respect copyright.PENANA0ewFvmla6K