Russian President Vladimir Putin announced the approval of Russia's Sputnik-V coronavirus vaccine on August 11 amid much fanfare, saying it works "quite effectively" in forming a stable immunity.
원문출처 : https://www.cnn.com/2020/09/06/europe/russia-vaccine-putin-opposition-intl/index.html
원문출처 : https://www.cnn.com/2020/09/06/europe/russia-vaccine-putin-opposition-intl/index.html