The world is gripped by a new coronavirus that started in China and has since moved into more than 85 countries, including the United States. Meanwhile, it is also flu season, which so far has caused 18,000 deaths in the U.S.
Major airports have begun screening passengers for the coronavirus, and more than three dozen airlines—including American, and United—have cut their flights to China and other places affected by the crisis. But those measures may not provide much solace to anyone who has to board a flight.