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A large-scale study in Buenos Aires from December 29, 2020, to May 15, 2021, with 663,602 participants aged 60 and older who received Spunik V, the Oxford–AstraZeneca vaccine, or the Sinopharm BIBP vaccine observed an overall efficacy of 98% (95% CI, 95 – 99%) against COVID-19-related deaths. The study noted that the three vaccines showed a ...
Pfizer and Moderna vaccines are both safe and have similar effectiveness at preventing COVID-19 illness. Clinical trial data when they were first released in December 2020 showed 95% efficacy for ...
[353] [354] [355] Aiming for a realistic population vaccination coverage rate of 75%, and depending on the actual basic reproduction number, the necessary effectiveness of a COVID-19 vaccine is expected to need to be at least 70% to prevent an epidemic and at least 80% to extinguish it without further measures, such as social distancing. [356]
Retrospective cohort study of the effectiveness of two Russian vaccines against the SARS-CoV-2 Delta variant in Moscow (June–July 2021) proved that EpiVacCorona, unlike Sputnik V, is an ineffective vaccine and therefore cannot protect against COVID-19. [4]
This man may hold the cure to the coronavirus pandemic in his hands. Alexander Gintsburg is the head of the Gamaleya Institute -- the organization that produced Russia's Sputnik V vaccine. Its ...
On 11 August 2020, President Putin said in a meeting that the Sputnik V vaccine (registered as Gam-COVID-Vac) developed by the Gamaleya Research Institute of Epidemiology and Microbiology was the first vaccine against the coronavirus to be registered.
The updated Covid vaccines should be more accessible, experts say. Saturday 16 September 2023 21:00, Maggie O’Neill. The cost of the new Covid vaccines may prohibit some people from getting them ...
While the efficacy rates were lower than the Pfizer–BioNTech and Moderna vaccines, its single-dose regimen and normal refrigerator storage requirement (2 to 8 °C) could make it a favorable option for many countries. It has similar efficacy to the Janssen vaccine, another one-shot adenovirus vaccine found to be 66% effective in a global trial.