Two coronavirus vaccines are in line to be authorized for emergency use in the United States, and a massive transportation network is standing at the ready once they receive government clearance.
원문출처 : https://www.cnn.com/2020/12/11/business/vaccine-distribution-coronavirus/index.html
원문출처 : https://www.cnn.com/2020/12/11/business/vaccine-distribution-coronavirus/index.html