Everyone knows traveling on passenger planes can make people susceptible to illness. But there are more means of transmission than you might expect. [read more](https://www.statnews.com/2018/11/29/germs-on-a-journey-how-infectious-diseases-become-unwelcome-companions-during-air-travel/) PRODUCER: [Alex Hogan](https://www.statnews.com/staff/alex-hogan/)