Study of Sputnik V COVID-19 Vaccination in Adults in Kazakhstan

This study will assess the safety, reactogenicity, and immunogenicity of Gam-COVID-Vac (Sputnik V) vaccine intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causing coronavirus disease 2019 (COVID-19). The vaccine contains two recombinant adenoviral vectors harbouring SARS-CoV-2 Spike gene. The vaccine will be administered intramuscularly on a 2-dose prime-boost schedule. Participants will be healthy adults aged greater than or equal to 18 years, voluntarily undergoing vaccination according to the guidelines of the Ministry of Healthcare of Kazakhstan.