Travel restrictions and advisories

FILE - In this Nov. 20, 2019, file photo, workers are shown at an Apple manufacturing plant in Austin, Texas. American factories slowed for the third consecutive month in May as they continued to sustain economic damage from the coronavirus pandemic. The Institute for Supply Management, an association of purchasing managers, said Monday, June 1, 2020, that its manufacturing index came in at 43.1 last month after registering 41.5 in April. Anything below 50 signals that U.S. manufacturers are in retreat. (AP Photo/ Evan Vucci, File)

A passenger waits to check his luggage at Belgrade Nikola Tesla Airport, Serbia, Thursday, May 21, 2020. Serbia's national carrier Air Serbia has resumed commercial flights as the government eased the lockdown against the new coronavirus. Crisis authorities have said the situation in the country has stabilized despite virus clusters in the southern area. (AP Photo/Darko Vojinovic)

FILE - In this Friday, Aug. 23, 2019 file photo, female northern white rhinos Fatu, 19, right, and Najin, 30, left, the last two northern white rhinos on the planet, are fed some carrots by a ranger in their enclosure at Ol Pejeta Conservancy, Kenya. Groundbreaking work to keep alive the nearly extinct northern white rhino - population, two - by in-vitro fertilization has been hampered by travel restrictions caused by the new coronavirus. (AP Photo/Ben Curtis, File)

FILE - In this March 18, 2020, file photo, Thomas Waerner, of Norway, celebrates in Nome, Alaska, his win in the Iditarod Trail Sled Dog Race. Waerner is still waiting to return to his home in Norway. Waerner and his 16 dogs have been stranded in Alaska by travel restrictions and flight cancellations caused by the coronavirus pandemic. (Marc Lester/Anchorage Daily News via AP, File)

Sunbathers lie in an area marked to enforce social distancing measures in La Grande Motte, southern France, Sunday, May 24, 2020. Grateful French families flocked to the beach at La Grande Motte on the Mediterranean shore Sunday, swimming and sunbathing in areas carefully marked to keep them a safe distance from others. (AP Photo/Daniel Cole)

A foreign reporter who was selected to cover the opening ceremony of the Chinese People's Political Consultative Conference (CPPCC) walks by medical workers after receiving a coronavirus test, at a hotel in Beijing, Thursday, May 21, 2020. This year's version of China's biggest political meeting of the year will be unlike any other. Delayed from March because of the then-spiraling coronavirus outbreak, the decision to go ahead with the gathering signals a partial return to normalcy in the country where the pandemic first broke out. "Partial" being the operative word: The congress will be far from normal. (AP Photo/Andy Wong)

Kansas Gov. Laura Kelly listens as President Donald Trump speaks during a meeting in the Cabinet Room of the White House, Wednesday, May 20, 2020, in Washington. (AP Photo/Evan Vucci)

A construction crew loads dirt on a building site, Monday, May 18, 2020 in East Greenwich, N.J. (AP Photo/Matt Slocum)

FILE - In this March 18, 2020, file photo, people are reflected on the electronic board of a securities firm in Tokyo. Japan's economic growth plunged into recession in the first quarter as the coronavirus pandemic squelched production, exports and spending, and fears are growing worse times may lie ahead, according to a report on Monday, May 18, 2020. (AP Photo/Koji Sasahara, File)

FILE - In this Feb. 2, 2020, file photo, Kansas City Chiefs' Patrick Mahomes, left, and Tyrann Mathieu celebrate after defeating the San Francisco 49ers in the NFL Super Bowl 54 football game in Miami Gardens, Fla. The Kansas City Chiefs began talking about a repeat before they had even left the stadium following their Super Bowl triumph. (AP Photo/David J. Phillip, File)