As the United States continues on a path to near pre-pandemic normalcy, experts remain concerned over low vaccination rates and the spread of variants, which could potentially exacerbate a pandemic that has upended life for more than a year and inflicted a damaging toll on Americans and the world.
원문출처 : https://www.cnn.com/2021/06/20/health/us-coronavirus-sunday/index.html
원문출처 : https://www.cnn.com/2021/06/20/health/us-coronavirus-sunday/index.html