To slow the spread of Covid-19, the US Centers for Disease Control and Prevention issued late Friday an order that will require people to wear a face mask while using any form of public transportation, including buses, trains, taxis, airplanes, boats, subways or rideshare vehicles while traveling into, within and out of the US.


원문출처 : https://www.cnn.com/2021/01/30/health/us-coronavirus-saturday/index.html