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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 ...
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]
National regulatory authorities have granted full or emergency use authorizations for 40 COVID-19 vaccines.. Ten vaccines have been approved for emergency or full use by at least one stringent regulatory authority recognized by the World Health Organization (WHO): Pfizer–BioNTech, Oxford–AstraZeneca, Sinopharm BIBP, Moderna, Janssen, CoronaVac, Covaxin, Novavax, Convidecia, and Sanofi ...
Vaccine Initial effectiveness by severity of COVID-19 Study location Refs Asymptomatic Symptomatic Hospitalization Death Oxford–AstraZeneca
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 ...
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]
(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 ...
India's Dr. Reddy's Laboratories is in talks with partners to export domestically made doses of Russia's COVID-19 vaccine, Sputnik, after New Delhi recently approved shipments of other shots, the ...