Travel laws and regulations

President Donald Trump speaks during a news conference in the Rose Garden of the White House, Tuesday, July 14, 2020, in Washington. (AP Photo/Evan Vucci)

FILE - This combination of the 2020 file photos shows, from left to right; Sen. Marco Rubio, R-Fla. in Washington on May 5, Sen. Ted Cruz, R-Texas in Washington on June 24, Rep. Chris Smith, R-N.J., in Washington on June 2, Sam Brownback, Ambassador at Large for International Religious Freedom, in Washington on June 10. China on Monday, July 13, said it will ban entry to U.S. Senators Rubio and Cruz, Representative Smith and Ambassador for Religious Freedom Brownback over their criticism of the ruling Communist Party's policies toward minority groups and people of faith. (AP Photo)

FILE - In this Sept. 5, 2017, file photo, a flag is waved outside the White House, in Washington. The Trump administration is extending a ban on green cards issued outside the United States until the end of 202 and adding many temporary work visas to the freeze, including those used heavily by technology companies and multinational corporations. (AP Photo/Carolyn Kaster, File)

President Donald Trump speaks about the coronavirus in the James Brady Press Briefing Room of the White House, Monday, April 20, 2020, in Washington. (AP Photo/Alex Brandon)

President Donald Trump speaks during a press briefing with the coronavirus task force, in the Brady press briefing room at the White House, Monday, March 16, 2020, in Washington. (AP Photo/Evan Vucci)

Andre of Washington, D.C., rides the escalator up at the Metro subway Congress Heights train station in Washington, Friday, March, 13, 2020. He wears two face masks and gloves to protect his children and grandchildren from the coronavirus. He doesn't want to bring it home. (AP Photo/Carolyn Kaster)

A couple kiss, at the Barcelona airport, Spain, Thursday, March 12, 2020. President Donald Trump, who had downplayed the coronavirus for weeks, suddenly struck a different tone, announcing strict rules on restricting travel from much of Europe to begin this weekend. For most people, the new coronavirus causes only mild or moderate symptoms, such as fever and cough. For some, especially older adults and people with existing health problems, it can cause more severe illness, including pneumonia. (AP Photo/Emilio Morenatti)

Trader Michael Gallucci works at his post on the floor of the New York Stock Exchange, Wednesday, March 11, 2020. Stocks are closing sharply lower on Wall Street, erasing more than 1,400 points from the Dow industrials, as investors wait for a more aggressive response from the U.S. government to economic fallout from the coronavirus. (AP Photo/Richard Drew)

President Donald Trump speaks in an address to the nation from the Oval Office at the White House about the coronavirus Wednesday, March, 11, 2020, in Washington. (Doug Mills/The New York Times via AP, Pool)

A worker from a Servpro disaster recovery team wearing a protective suit and respirator peers out a window as he waits to exit the Life Care Center in Kirkland, Wash. for a break from cleaning the facility, Wednesday, March 11, 2020. The nursing home is at the center of the coronavirus outbreak in Washington state. For most people, the virus causes only mild or moderate symptoms. For some it can cause more severe illness, especially in older adults and people with existing health problems. (AP Photo/Ted S. Warren)