With the timeline of a widely available vaccine still unknown, the nation's top doctor says the US doesn't have to wait to get Covid-19 under control.
원문출처 : https://www.cnn.com/2020/09/18/health/us-coronavirus-friday/index.html
원문출처 : https://www.cnn.com/2020/09/18/health/us-coronavirus-friday/index.html