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作者LDSKING
打第一劑可以撐3個月有效率76%，那三個月後打完第二劑可以撐多久呢？
是因為效果最差最便宜所以要這樣大外宣？但我們付了很多訂金還是買不到一劑AZ疫苗 
https://www.forbes.com/sites/siladi...hs-study-finds/
延後施打第二劑，新研究：有效策略
全球搶疫苗，為了加速疫苗接種，在疫苗供應不足的情況下，許多國家政府決定延後第二劑的接種，讓更多人先優先施打第一劑，以擴大施打的數量，看似荒謬的決定，最新研究證實這是有效的策略。
牛津大學研究表示第一劑注射後對抑制病毒傳播產生明顯效果，兩劑間隔3個月接種提高了有效性。
根據醫學期刊刺胳針（The Lancet）發佈的研究數據，顯示接種後22天到90天，疫苗的有效性維持在76%的水準。
如果兩劑間隔... |
打一針67%, 打兩針變50%(以官網為準),
這其中有甚麼誤會?
Results demonstrated vaccine efficacy of 76% (CI: 59% to 86%) after a first dose, with protection maintained to the second dose. With an inter-dose interval of 12 weeks or more, vaccine efficacy increased to 82% (CI: 63%, 92%).
The analysis also showed the potential for the vaccine to reduce asymptomatic transmission of the virus, based on weekly swabs obtained from volunteers in the UK trial. The data showed that PCR positive readings were reduced by 67% (CI: 49%, 78%) after a single dose, and 50% (CI: 38% to 59%) after the two dose regimen, supporting a substantial impact on transmission of the virus.
https://www.astrazeneca.com/media-c...iii-trials.html