With Covid-19 hospitalizations rising as the holiday season gets into full swing, experts are urging people to take precautionary measures against a new variant that may quickly sweep the nation.
원문출처 : https://www.cnn.com/2021/12/17/health/us-coronavirus-friday/index.html
원문출처 : https://www.cnn.com/2021/12/17/health/us-coronavirus-friday/index.html