Global leaders have called for a new treaty to help the world prepare for future pandemics, in a warning against rising vaccine nationalism.
원문출처 : https://www.cnn.com/2021/03/30/world/world-leaders-covid-treaty-intl/index.html
원문출처 : https://www.cnn.com/2021/03/30/world/world-leaders-covid-treaty-intl/index.html