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2. Sputnik V COVID-19 vaccine - Wikipedia

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

   The effectiveness of COVID-19 vaccines, or any other vaccine, is determined in a mass vaccination in a "real-world" setting (not in clinical trials). This is an assessment of how well the vaccine protects people from outcomes such as infection, symptomatic illness, hospitalization, and death.

3. COVID-19 vaccine clinical research - Wikipedia

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

   [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.

4. Is one COVID vaccine better than the others? An infectious ...

   www.aol.com/news/one-covid-vaccine-better-others...

   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 ...

5. EpiVacCorona - Wikipedia

   en.wikipedia.org/wiki/EpiVacCorona

   EpiVacCorona (Russian: ЭпиВакКорона, romanized: EpiVacCorona) is a peptide-based vaccine against COVID-19 developed by the Russian VECTOR Center of Virology. [2] [3] The lack of protective effectiveness of EpiVacCorona, which is still in use in Russia, has been reported in scientific literature [4] and in the media.

6. UPDATE 1-Russia says Sputnik vaccine should work against ...

   www.aol.com/news/1-russia-says-sputnik-vaccine...

   Russia was quick to develop its two-dose Sputnik V vaccine last year and has also deployed a one-shot Sputnik Light vaccine, both of which have it says demonstrated high efficacy in trials, but ...

7. FOCUS-AstraZeneca, Sputnik vaccines face hurdles if COVID ...

   www.aol.com/news/focus-astrazeneca-sputnik...

   Vaccines from AstraZeneca , Russia's Gamaleya Institute and Johnson & Johnson fight the coronavirus with another virus, leaving scientists concerned the shots may lose potency if annual ...

8. SARS-CoV-2 Beta variant - Wikipedia

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

   Sputnik V (Gam-COVID-Vac) is one of three Covid vaccines worldwide with an efficacy higher than 90% in symptomatic cases. It was found to be slightly less effective however it worked better than its rivals. A three fold reduction in VNA was found against the beta variant.

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

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

   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 ...