The novel swine flu is showing the world just how interconnected we are and how commercial aircraft can serve as vehicles of rapid disease spread. (CNN) — The novel swine flu is showing the world just how interconnected we are and how commercial aircraft can serve as vehicles of rapid disease spread. I am frequently asked: What is the risk of catching an illness while flying In a nutshell, the risk of getting an infection while you’re in an enclosed space such as an airplane depends upon three factors: The infectiousness of the contagious person spreading the illness; the degree of your exposure (how close you are to the contagious person and for how long); and the ventilation of the space or passenger cabin.
