The World Health Organization said on Monday that it has assigned new "labels" to key coronavirus variants so the public can refer to them by letters of the Greek alphabet instead of where the variant was first detected.
원문출처 : https://www.cnn.com/2021/05/31/health/coronavirus-variants-who-labels-bn/index.html
원문출처 : https://www.cnn.com/2021/05/31/health/coronavirus-variants-who-labels-bn/index.html