This article was published on
June 28, 2021

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輝瑞/BioNTech BNT162b2

牛津/AZ ChAdOx1 nCoV-19

Context and background



  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:
  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:
  3. Public Health England. Vaccines highly effective against hospitalisation from Delta variant. 2021/6/4
  4. The Covid Delta variant: how effective are the vaccines? The Guardian. 2021/6/15
  5. Effectiveness of COVID-19 vaccines against hospital admission with the Delta (B.1.617.2) variant. 2021/6/21

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