"The financial crisis that's sent airlines around the world into a tailspin promises to be more severe – and inflict more pain on the industry – than even the 2008 financial meltdown or the downturn that followed the Sept. 11 terrorist attacks in 2001, industry and financial experts say," according to an article on Cheddar.

"'It's a public health-related issue that's related very close to how people travel,' said Vikrant Vaze, an assistant professor specializing in the airline industry at Dartmouth's Thayer School of Engineering. 'It's an infectious disease that we're talking about, and the fact that it's traveling country to country and state to state means that the airlines are in the thick of it right from the beginning.'"