How clean is the airplane you’re sitting in? Shane Hewitt talks with microbiologist Dr. Keith Warriner about the surprising—and sometimes unsettling—truths behind air travel hygiene. From bathroom door handles carrying E. coli to bacteria lurking in seat pockets and tray tables, Dr. Warriner explains why germs thrive in confined spaces and why airline cleaning routines often fall short. The conversation also explores food and water safety on flights, offering travelers practical tips to stay healthy in the skies.

Originally aired on 2025-09-02