Leaders and businesses across the US are pushing back against states lifting mask mandates by doubling down on their commitment to enforcing Covid-19 precautions as variants continue to cause concern.
원문출처 : https://www.cnn.com/2021/03/05/health/us-coronavirus-friday/index.html
원문출처 : https://www.cnn.com/2021/03/05/health/us-coronavirus-friday/index.html