• Live updates: More than 20 million years of life lost to Covid-19, study suggests
원문출처 : https://www.cnn.com/2021/02/19/europe/western-balkans-vaccines-russia-china-eu-intl/index.html
원문출처 : https://www.cnn.com/2021/02/19/europe/western-balkans-vaccines-russia-china-eu-intl/index.html