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We identified 100 published peer-reviewed articles relevant to the Oxford–AstraZeneca vaccine or the ChAdOx technology (online supplemental files 1 and 2). Publication dates ranged from January 2002 to November 2020. The concordance between the two independent reviewers was 93.61%.
19 maj 2023 · This meta-analysis evaluated the Efficacy and Effectiveness of several COVID-19 vaccines, including AstraZeneca, Pfizer, Moderna, Bharat, and Johnson & Johnson, to better estimate their immunogenicity, benefits, or side effects.
9 sty 2021 · Oxford–AstraZeneca COVID-19 vaccine efficacy. 2020 has been a difficult year for all, but has seen 58 vaccines against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) be developed and in clinical trials, 1 with some vaccines reportedly having more than 90% efficacy against COVID-19 in clinical trials.
The USA Phase 3 trial by AstraZeneca revealed that the vaccine had 79% efficacy among the symptomatic COVID-19 and 100% efficacy in the severe and hospitalized COVID-19 patients. The efficacy was identical across diverse ethnicity and ages, and showed 80% efficacy in participants aged ≥ 65 years .
14 kwi 2021 · The Oxford/AstraZeneca vaccine induced a stronger cellular immune response in elderly adults than the BioNTech/Pfizer shot, potentially providing more protection against severe Covid-19 and...
13 maj 2021 · Test negative case-control designs are considered powerful enough to estimate vaccine effectiveness and are used extensively for estimating effectiveness of influenza vaccines and vaccines against other respiratory viruses.13 14 15 They have been found to have high concordance with findings in randomised controlled trials.16 17 Vaccination ...
10 kwi 2021 · The Oxford-AstraZeneca vaccine is offered at the lowest price of $5 per course, making it one of the most affordable vaccines available for COVID-19. Vaccine prices paid by countries are kept confidential, yet discrepancies in pricing have been reported with lower income countries seemingly paying more than higher income countries[ 47 ].
