These are the exact germs you come in contact with on a plane and what they can do to your body

These are the exact germs you come in contact with on a plane and what they can do to your body
https://www.theladders.com/career-advice/these-are-the-exact-germs-you-come-in-contact-with-on-a-plane-and-what-they-can-do-to-your-body

Here is some interesting reading for your winter travels.  I always thought it was just the drop down tray you had to worry about,  Yuck!

J