• Covid-19 latest: Duterte 'would volunteer for Russia's Covid-19 vaccine'
• What we know -- and don't know -- about Russia's 'Sputnik V' vaccine
원문출처 : https://www.cnn.com/2020/08/11/politics/what-matters-putin-vaccine-race/index.html
원문출처 : https://www.cnn.com/2020/08/11/politics/what-matters-putin-vaccine-race/index.html