The World Health Organization has approved the Pfizer/BioNTech vaccine for emergency use, paving the way for lower and middle-income countries to begin immunizing their populations against Covid-19.
원문출처 : https://www.cnn.com/2021/01/01/world/who-pfizer-biontech-vaccine-approved-intl/index.html
원문출처 : https://www.cnn.com/2021/01/01/world/who-pfizer-biontech-vaccine-approved-intl/index.html