Covid in China: US imposes Covid testing for visitors from China - BBC News
Very few U.S.-China flights are back despite the end of Covid
Growing list of countries imposing COVID rules on China arrivals, Coronavirus pandemic News
Italy and U.S. mandate covid tests of all passengers from China - The Washington Post
Asia's tourist hotspots prepare for boom as China relaxes COVID rules
Coronavirus: Travel restrictions, border shutdowns by country, Tourism News
COVID-19 pandemic in Italy - Wikipedia
See how the coronavirus halted the airline industry - Washington Post
COVID-19 and the aviation industry: Impact and policy responses
COVID-19 prevention measures of China Southern Airlines
Can China return to normalcy while keeping the coronavirus in check?, Science
Deaths Surpass 200, and State Department Urges Against Travel to China - The New York Times