Vietnam's health ministry has detected a suspected new coronavirus variant which it said appears to be a hybrid of two highly transmissible strains.
원문출처 : https://www.cnn.com/2021/05/31/asia/vietnam-coronavirus-variant-intl-hnk/index.html
원문출처 : https://www.cnn.com/2021/05/31/asia/vietnam-coronavirus-variant-intl-hnk/index.html