1.Handy advice you should be aware of
Handy Advice for Travelers
To maintain hygiene, avoid walking barefoot on the plane, as the floors can be quite dirty.
Airplane bathrooms may not always be sanitary, so use antibacterial wipes after washing your hands. These wipes are also useful for cleaning tray tables, which might not be thoroughly sanitized and could have been used for various purposes, including diaper changes.
Wiping down the tray table before placing food on it is a simple habit that can reduce exposure to harmful bacteria.