Apart from the confirmed coronavirus cases in 41 U.S. states , two other states had presumptive cases during the pandemic .
Confirmed cases had appeared in 41 out of the 50 U.S. states , and Washington , D.C. Four other states have presumptive cases and only 7 states have no cases yet ( Alabama , Alaska , Idaho , Maine , Mississippi , West Virginia and Wyoming ) .On January 31 , 2020 , the U.S. government began to require Americans returning home after traveling in China 's Hubei Province to submit to a 14-day quarantine .
2020 coronavirus pandemic in the United States