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。542Please respect copyright.PENANAtb5FSSW8fI542Please respect copyright.PENANAI5WDc07l84
542Please respect copyright.PENANANmi9j2RPNq
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。542Please respect copyright.PENANA5rj08K2gD2
542Please respect copyright.PENANABGVU7E3f5p
(圖2)圖中為康希諾及牛津疫苗兩款疫苗的扼要原理。542Please respect copyright.PENANAVz0BhKIcjs542Please respect copyright.PENANAYNzbTC4GfG
542Please respect copyright.PENANAXQOTIIQbNM
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。542Please respect copyright.PENANARkC1FM5cC4
2. 病毒進入人體細胞。542Please respect copyright.PENANATTWlabNfXE
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。542Please respect copyright.PENANAaKUHO37AEh
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。542Please respect copyright.PENANAv9kfAoZiu1
542Please respect copyright.PENANAK2TF027c2o
(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。542Please respect copyright.PENANAfh1HcJgRhZ542Please respect copyright.PENANAnURPKksnNg
542Please respect copyright.PENANA39DRFj2Xg9
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。542Please respect copyright.PENANAMDZ1ZkrhYW
542Please respect copyright.PENANA3MxCk4YZvw
以這方面來看,牛津疫苗的設計比康希諾技勝一籌。542Please respect copyright.PENANAgOIg3ylPZR
542Please respect copyright.PENANAHLsNvMw9kC
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。542Please respect copyright.PENANAOAzkVcM1k1
542Please respect copyright.PENANAGNRVkMiMM2
延伸閱讀:542Please respect copyright.PENANAhqcgNgdeMa
深入淺出–林鄭注射輝瑞/科興疫苗的最壞後果542Please respect copyright.PENANAzEf1kZa50n
- 分享自 LIHKG 討論區542Please respect copyright.PENANAstuQqiBdYr
https://lih.kg/2332347542Please respect copyright.PENANAXEF6bTkxCj
542Please respect copyright.PENANAqHoC8R66tr
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。542Please respect copyright.PENANAQwpbPGFHeX
542Please respect copyright.PENANAtu3srqO6G9
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/toc542Please respect copyright.PENANAkxZXBrkhQp
542Please respect copyright.PENANA6FviARKMTm
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。542Please respect copyright.PENANAB1UcQoc83c
542Please respect copyright.PENANAIHbHXwbzHO
Link:542Please respect copyright.PENANACUr3PXL8M6
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio542Please respect copyright.PENANABi6RdDYdSw
542Please respect copyright.PENANAiLlDrJ4PlR
542Please respect copyright.PENANAggPfeMVvCj
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。542Please respect copyright.PENANA3ft2z9aLrV
542Please respect copyright.PENANAMbgs9MTkIt
Ref1:https://science.sciencemag.org/content/370/6522/1263542Please respect copyright.PENANAkwNf6oiW3W
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6067905/542Please respect copyright.PENANAHxcHqav0fU
Ref3:https://www.bloomberg.com/news/articles/2021-02-08/pakistan-says-cansino-s-covid-vaccine-shows-65-7-efficacy542Please respect copyright.PENANA6vYRxb9ENx