Covid-19 precautions need to stay consistent -- whether or not the numbers are coming down -- because the more Americans move around the more the virus does too, a health expert said.
원문출처 : https://www.cnn.com/2020/08/08/health/us-coronavirus-saturday/index.html
원문출처 : https://www.cnn.com/2020/08/08/health/us-coronavirus-saturday/index.html