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  2. Sputnik V COVID-19 vaccine - Wikipedia

    en.wikipedia.org/wiki/Sputnik_V_COVID-19_vaccine

    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 ...

  3. COVID-19 vaccine clinical research - Wikipedia

    en.wikipedia.org/wiki/COVID-19_vaccine_clinical...

    Moderna has launched a trial of a vaccine to tackle the Beta variant or lineage B.1.351. [460] On 17 February 2021, Pfizer announced neutralization activity was reduced by two-thirds for this variant, while stating that no claims about the efficacy of the vaccine in preventing illness for this variant could yet be made. [461]

  4. Template:COVID-19 vaccine effectiveness - Wikipedia

    en.wikipedia.org/wiki/Template:COVID-19_vaccine...

    Vaccine Initial effectiveness by severity of COVID-19 Study location Refs Asymptomatic Symptomatic Hospitalization Death Oxford–AstraZeneca

  5. The scientist behind Russia's 'Sputnik' vaccine - AOL

    www.aol.com/news/scientist-behind-russias...

    Russia plans to share preliminary results of its COVID-19 vaccine trial based on the first six weeks of monitoring participants, and it may be the first country to do so.

  6. SARS-CoV-2 Delta variant - Wikipedia

    en.wikipedia.org/wiki/SARS-CoV-2_Delta_variant

    On 29 June 2021, the director of the Gamaleya Institute, Denis Logunov, said that Sputnik V is about 90% effective against the Delta variant. [81] On July 21, researchers from PHE published a study finding that the Pfizer vaccine was 93.7% effective against symptomatic disease from Delta after 2 doses, while the Astrazeneca vaccine was 67% ...

  7. Moderna says next-generation COVID vaccine efficacy non ... - AOL

    www.aol.com/news/modernas-next-gen-covid-vaccine...

    (Reuters) -Moderna said on Thursday its next-generation COVID-19 vaccine candidate showed it was not inferior in efficacy compared to its approved shot in a late-stage study. The experimental ...

  8. EpiVacCorona - Wikipedia

    en.wikipedia.org/wiki/EpiVacCorona

    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]

  9. New Covid boosters work against the highly mutated BA.2.86 ...

    www.aol.com/moderna-says-updated-covid-vaccine...

    The new Covid boosters appear to work against the BA.2.86 omicron subvariant, Moderna and Pfizer said Wednesday. New Covid boosters work against the highly mutated BA.2.86 variant, vaccine makers ...