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January 29th, local time, the U.S. Centers for Disease Control and Prevention issued an order requiring all passengers traveling on public transportation such as airplanes, trains, buses, taxis, etc.
within the United States, and public transport staff must wear masks, and people are waiting for public transportation when entering public transportation hubs.
You must also wear a mask.
It is reported that the order has been in effect at 23:59 local time on February 1.