After most major airlines had already suspended flights between the US and China due to the coronavirus pandemic , President Trump imposed travel restrictions on January 31 .
An American citizen , after traveling from Wuhan , China to his home in Washington state , became the first U.S. case of the new virus on January 20 . `` First Case of 2019 Novel Coronavirus in the United States '' , The New England Journal of Medicine , March 5 , 2020President Trump imposed travel restrictions on January 31 preventing foreign nationals from entering the U.S. if they had been in China within the previous two weeks .
2020 coronavirus pandemic in the United States