MOSCOW, 11 Aug. The Sputnik V vaccine, which was registered in Russia exactly a year ago, has during this time confirmed its quality and safety, Alexander Gunzburg, director of the Gamaleya Research Center for Epidemiology and Microbiology, told RIA Novosti. He noted that during this time certain restrictions on vaccination were lifted Oncological patients, the drug was allowed to be vaccinated in pregnant women and the elderly. The Ministry of Health of Russia exactly a year ago — on August 11, 2020 — registered the world's first vaccine for the prevention of COVID-19, developed by the Gamaleya Research Center for Electrochemistry and Technology. It was named «Sputnik V». The vaccine is based on a well-studied and validated human adenoviral vector platform, the important benefits of which are safety, efficacy, and no long-term adverse effects. Also in Russia, vaccines against COVID-19 have been created — «EpiVacCorona» from the «Vector» center of Rospotrebnadzor and «KoviVak», developed by the Chumakov Center of the Russian Academy of Sciences. In early May, it became known about the registration of the fourth domestic vaccine «Sputnik Light».