International air traffic is down 92 percent this year, with many travelers worried about getting COVID-19. There are also government quarantine(隔离) rules that make planning difficult. What will it take to get people flying again? Airline companies believe that quick virus tests of all passengers before takeoff could be the answer.
Experiments on improving safety are taking place around the world. A United Nations organization is leading talks to set new rules. And all of this is important: As the virus is spreading more widely, the international travel nearly stops completely, which is very harmful for the business activity. Millions of jobs are at risk, including those at airlines, airports and businesses like hotels and restaurants.
Why do we pay attention to testing? One reason why people worry about taking long flights is that they fear they will sit next to someone with COVID-19. Flying helped carry the virus around the world after it first appeared in 2019. However, airplanes themselves were not super-spreaders like large business meetings.
Also, most people do not want to fly to a place with quarantine rules that prevent their movements after arrival. Quarantines are not always useful because they are often not strongly performed. Testing all passengers will give people back their freedom to travel with confidence. And that will put millions of people back to work.
How would testing work? Because newer tests can give results in less than an hour, trials are looking at testing passengers before they leave on a plane. Test results could be received through a smartphone app.
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