Comparative analysis of the effectiveness of vaccines against SARS-CoV-2 3 months after revaccination

Since 2021, Turkmenistan has been vaccinating the population against COVID-19. The aim of the work is a comparative analisis of the effectiveness of vaccines against SARS–CoV-2 used in mass vaccination of the population in the development of population immunity.Research materials. The blood serum of 960 people vaccinated with “Sputnik-lite” or “BIOvac” was used in the work.Conclusion. 3 months after revaccination, 100 % of vaccinated patients have a high level of specific IgG antibodies in their blood serum. A comparative analysis of the effectiveness of two vaccines “Sputnik-lite” and “BIOvac”, showed that a longer immune response persists after the introduction of the vaccine “Sputnik-lite”.