Nearly 30 US states are reporting downward trends in Covid-19 cases, but the pandemic will likely worsen again, according to the country's leading infectious disease expert.
원문출처 : https://www.cnn.com/2020/09/11/health/us-coronavirus-friday/index.html
원문출처 : https://www.cnn.com/2020/09/11/health/us-coronavirus-friday/index.html