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。572Please respect copyright.PENANAytN46XyVrP572Please respect copyright.PENANA6Bm3AUv5QC
572Please respect copyright.PENANAR7gruDx91q
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。572Please respect copyright.PENANAxrKHgZAHzC
572Please respect copyright.PENANAt711I2M3xj
(圖2)圖中為康希諾及牛津疫苗兩款疫苗的扼要原理。572Please respect copyright.PENANAecJYawoqJU572Please respect copyright.PENANAIzf1DKAFTf
572Please respect copyright.PENANAZlRdfLqWEr
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。572Please respect copyright.PENANAlr1LrmTjN4
2. 病毒進入人體細胞。572Please respect copyright.PENANAVZtjnt9byW
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。572Please respect copyright.PENANAbRkimNtVM3
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。572Please respect copyright.PENANAaJ7D53U2Yk
572Please respect copyright.PENANAd10HMYRGpr
(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。572Please respect copyright.PENANA7tlMmWyedg572Please respect copyright.PENANA1ASVcWYa6o
572Please respect copyright.PENANABvNEBkwqZq
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。572Please respect copyright.PENANAYi5zLmMUgi
572Please respect copyright.PENANAraAO4EAuru
以這方面來看,牛津疫苗的設計比康希諾技勝一籌。572Please respect copyright.PENANAcad6Hicqs4
572Please respect copyright.PENANAIcTPRWJkQh
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。572Please respect copyright.PENANAF1eCFIGILv
572Please respect copyright.PENANAwUHbxwXoGM
延伸閱讀:572Please respect copyright.PENANAwtHeGbYEJ7
深入淺出–林鄭注射輝瑞/科興疫苗的最壞後果572Please respect copyright.PENANAu1yomdoHX6
- 分享自 LIHKG 討論區572Please respect copyright.PENANAEuFZk40JQk
https://lih.kg/2332347572Please respect copyright.PENANA8afe0C5d6d
572Please respect copyright.PENANARqDOk5Bv1M
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。572Please respect copyright.PENANADDnXFVyxal
572Please respect copyright.PENANA6e6wtxhH8t
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/toc572Please respect copyright.PENANAMmpbvkrvoV
572Please respect copyright.PENANAmdz3EHEbjz
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。572Please respect copyright.PENANAQe30NIcijo
572Please respect copyright.PENANAhHGSNGAQ7D
Link:572Please respect copyright.PENANANWoZJcTTUd
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio572Please respect copyright.PENANAv9Zb8fwAB5
572Please respect copyright.PENANARoRFhC8gnz
572Please respect copyright.PENANAGdn6FzptBb
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。572Please respect copyright.PENANAi279PHtZdC
572Please respect copyright.PENANAYdxGTrNdUB
Ref1:https://science.sciencemag.org/content/370/6522/1263572Please respect copyright.PENANAUul17s5PFk
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6067905/572Please respect copyright.PENANAwG9gRyByvH
Ref3:https://www.bloomberg.com/news/articles/2021-02-08/pakistan-says-cansino-s-covid-vaccine-shows-65-7-efficacy572Please respect copyright.PENANAC5aVQ0BYBY