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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.
A 'miracle' HIV shot, surprising shingles vaccine benefit and health-threatening wildfires: What to know about this week's health news Kaitlin Reilly July 28, 2024 at 8:07 AM
The shingles vaccine is a two-dose series and provides protection for at least seven years, Tonizzo said. “It’s safe in everyone and is 90% to 95% effective.
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English: Sputnik V efficacy for different conditions. Data from: Logunov D. Y. et al. Safety and efficacy of an rAd26 and rAd5 vector-based heterologous prime-boost COVID-19 vaccine: an interim analysis of a randomised controlled phase 3 trial in Russia.
Shingles vaccine Shingles, also known as herpes zoster, is a painful skin rash caused by the virus responsible for chickenpox. The shingles virus is lying dormant in your body if you ever had ...