Two new preprint papers add to the growing evidence that the Omicron coronavirus variant may be less likely to cause severe disease and hospitalization compared to the Delta variant.
원문출처 : https://www.cnn.com/2021/12/22/health/omicron-delta-covid-hospitalization-risk/index.html
원문출처 : https://www.cnn.com/2021/12/22/health/omicron-delta-covid-hospitalization-risk/index.html