US airlines are giving customers more time to change their flights to China without incurring fees as the deadly coronavirus continues to spread, and as American authorities raise travel precautions for the country.
원문출처 : https://www.cnn.com/2020/01/28/business/delta-american-united-coronavirus-wuhan-china/index.html
원문출처 : https://www.cnn.com/2020/01/28/business/delta-american-united-coronavirus-wuhan-china/index.html