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。629Please respect copyright.PENANAAThGMS7ShO629Please respect copyright.PENANANBOu3IUQOp
629Please respect copyright.PENANAhJaP91Uq5S
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。629Please respect copyright.PENANANtx74lcOzy
629Please respect copyright.PENANAD2EXv74wCJ
(圖2)圖中為康希諾及牛津疫苗兩款疫苗的扼要原理。629Please respect copyright.PENANAOTAkl5v5nu629Please respect copyright.PENANArnW6mdPxGg
629Please respect copyright.PENANAUNlaMxZCUP
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。629Please respect copyright.PENANA7rjLHW64H7
2. 病毒進入人體細胞。629Please respect copyright.PENANAtNm81wMM0Q
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。629Please respect copyright.PENANAeE6qDkBQl1
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。629Please respect copyright.PENANAXtzkmdH6hw
629Please respect copyright.PENANAiKgtpLJjtQ
(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。629Please respect copyright.PENANAt3XEStHGMB629Please respect copyright.PENANAlB9BynM4v2
629Please respect copyright.PENANAwhrtgFiCiw
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。629Please respect copyright.PENANAqVZ3LNls2S
629Please respect copyright.PENANAWcjcPr6HP1
以這方面來看,牛津疫苗的設計比康希諾技勝一籌。629Please respect copyright.PENANAsfjBTWyVGX
629Please respect copyright.PENANAJvzkfBkloF
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。629Please respect copyright.PENANAwmBThWUR59
629Please respect copyright.PENANAoWieMe0HRW
延伸閱讀:629Please respect copyright.PENANAkjQQlZfPrH
深入淺出–林鄭注射輝瑞/科興疫苗的最壞後果629Please respect copyright.PENANARL4HomWcYu
- 分享自 LIHKG 討論區629Please respect copyright.PENANAGnWbOUfZaj
https://lih.kg/2332347629Please respect copyright.PENANAvoYQGJIxAx
629Please respect copyright.PENANAMtSkpkdRdM
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。629Please respect copyright.PENANAC4GGHm3KIu
629Please respect copyright.PENANAoHHFic6nFP
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/toc629Please respect copyright.PENANA5wodpqv6XU
629Please respect copyright.PENANAUic8wbB8A2
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。629Please respect copyright.PENANAhjQafWwEOQ
629Please respect copyright.PENANAU6fySA2ZKj
Link:629Please respect copyright.PENANAngDCWwV2ua
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio629Please respect copyright.PENANAn2GlkyhF0s
629Please respect copyright.PENANASWxGtqGcWa
629Please respect copyright.PENANAZeOYqlgQr2
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。629Please respect copyright.PENANAoXU7kwQVaS
629Please respect copyright.PENANAoA3BTTmY0i
Ref1:https://science.sciencemag.org/content/370/6522/1263629Please respect copyright.PENANAwXvQWb5RCo
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6067905/629Please respect copyright.PENANAPNFvAXSHxw
Ref3:https://www.bloomberg.com/news/articles/2021-02-08/pakistan-says-cansino-s-covid-vaccine-shows-65-7-efficacy629Please respect copyright.PENANADVw4wHl0Um