Scientists think they know ways to combat viruses on airplanes. They're too late for this pandemic.
On March 14, 1977, a woman with the flu climbed aboard a 737 and headed for Kodiak, Alaska, with 53 other passengers and crew. After an engine failed, most of them sat on the runway with the cabin doors shut, and the ventilation system off, for two hours. Within three days, 38 more people were sick.