• Experts say spread of coronavirus in the US is now hard to control
원문출처 : https://www.cnn.com/2020/06/30/health/us-coronavirus-toll-in-numbers-june-trnd/index.html
원문출처 : https://www.cnn.com/2020/06/30/health/us-coronavirus-toll-in-numbers-june-trnd/index.html