Sputnik V ( the brand name from the Russian Direct Investment Fund or RDIF) or Gam-COVID-Vac ( the name under which it is legally registered and produced) is an adenovirus viral vector vaccine for COVID-19 developed by the Gamaleya Research Institute of Epidemiology and Microbiology in Russia. It is the world's first registered combination vector vaccine for the prevention of COVID-19, having been... Wikipedia