輝瑞/BioNTech BNT162b2

突變株保護效果住院保護效果死亡保護效果
Alpha (B.1.1.7)92%(兩劑)[1]
59-70% (70歲以上,單劑) [2]
85-89% (70歲以上,兩劑) [2]
80% (70歲以上,單劑) [2]
風險降低43% (70歲以上,單劑) [2]
83%(單劑)[4]
95%(兩劑)[4][5]
85% (70歲以上,單劑) [2]
風險降低51% (70歲以上,單劑) [2]
Delta (B 1.617.2)79%(兩劑)[1]
88%(對有症狀新冠的保護力,兩劑)[5]
94%(單劑)[3][5]
96%(兩劑)[3][5]

 

牛津/AZ ChAdOx1 nCoV-19

突變株保護效果住院保護效果死亡保護效果
Alpha (B.1.1.7)73% (兩劑)[1]
60-73% (70歲以上,單劑) [2]
85-90% (70歲以上,兩劑) [2]
80% (70歲以上,單劑) [2]
風險降低37% (70歲以上,單劑) [2]
76%(單劑)[4][5]
86%(兩劑)[4][5]
Delta (B 1.617.2)60%(兩劑)[1]
67%(對有症狀新冠的保護力,兩劑)[5]
71%(單劑)[3][5]
92%(兩劑)[3][5]

參考資料:

  1. Sheikh et. al. (2021) SARS-CoV-2 Delta VOC in Scotland: demographics, risk of hospital admission, and vaccine effectiveness. The Lancet. published online. doi: https://doi.org/10.1016/S0140-6736(21)01358-1
  2. Bernal et. al. (2021) Effectiveness of the Pfizer-BioNTech and Oxford-AstraZeneca vaccines on covid-19 related symptoms, hospital admissions, and mortality in older adults in England: test negative case-control study. BMJ. 373:n1088 doi: https://doi.org/10.1136/bmj.n1088
  3. Public Health England. Vaccines highly effective against hospitalisation from Delta variant. 2021/6/4 https://www.gov.uk/government/news/vaccines-highly-effective-against-hospitalisation-from-delta-variant
  4. The Covid Delta variant: how effective are the vaccines? The Guardian. 2021/6/15 https://www.theguardian.com/world/2021/jun/15/the-covid-delta-variant-how-effective-are-the-vaccines
  5. Effectiveness of COVID-19 vaccines against hospital admission with the Delta (B.1.617.2) variant. 2021/6/21 https://khub.net/web/phe-national/public-library/-/document_library/v2WsRK3ZlEig/view/479607266

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