• Analysis: Omicron's surge may contain within it seeds of hope
원문출처 : https://www.cnn.com/2021/12/31/health/covid-19-omicron-what-pandemic-end-might-look-like/index.html
원문출처 : https://www.cnn.com/2021/12/31/health/covid-19-omicron-what-pandemic-end-might-look-like/index.html