India has discovered a new "double mutant" variant of Covid-19, as the country struggles to contain a spike in cases that's raising fears of a second wave.
원문출처 : https://www.cnn.com/2021/03/25/india/india-covid-double-mutant-variant-intl-hnk/index.html
원문출처 : https://www.cnn.com/2021/03/25/india/india-covid-double-mutant-variant-intl-hnk/index.html