The tale of United Flight 591 illustrates the challenges of keeping the novel coronavirus off planes — and informing travelers about possible exposure in a timely manner so they can take their own precautions. The CDC says in no uncertain terms not to travel while sick or after testing positive for the coronavirus. Medical experts say airlines’ reliance on passengers to self-report any symptoms of covid-19 before a flight is a less-than-perfect way to keep infected passengers off planes. [Coronavirus testing before flying could become the norm as airlines try to boost confidence and woo travelers]Neither temperature checks nor testing, of course, is perfect. Freedman, the infectious-disease specialist, said some countries have adopted practices that might have delivered important news to the United passengers much faster.

Source: Washington Post December 28, 2020 13:30 UTC