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An article published by the journal Nature on 6 July 2021 cited data released by the United Arab Emirates on some 81,000 individuals who had received Sputnik V, according to which the vaccine demonstrated an efficacy of 97.8% in preventing symptomatic COVID-19, and 100% efficacy in preventing severe complications.
A vaccine is generally considered effective if the estimate is ≥50% with a >30% lower limit of the 95% confidence interval. [6] As of September 2021, no study on Sputnik Light reported confidence intervals, so it is not possible to know the accuracy of the estimates. Effectiveness is generally expected to slowly decrease over time. [7]
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.
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Russia has pushed ahead with its potential COVID-19 vaccine at top speed with mass public vaccinations alongside the main human trial, raising concerns among some observers that it was ...
The head of the Russian Direct Investment Fund (RDIF) stated that 20 countries had requested in total 1 billion doses of the vaccine, nicknamed Sputnik V. [11] On August 20 registration was called "conditional" with final registration depends on results of Phase 3 trial, [12] such registration is limited and allowed by Decree 441 for medicines ...
The trial testing the immune response of co-administration of GSK's blockbuster vaccines, Shingrix and Arexvy, in adults over 50 years of age, met the main goal of the study. The co-administration ...
A zoster vaccine is a vaccine that reduces the incidence of herpes zoster (shingles), a disease caused by reactivation of the varicella zoster virus, which is also responsible for chickenpox. [8] Shingles provokes a painful rash with blisters, and can be followed by chronic pain ( postherpetic neuralgia ), as well as other complications.