CNN Anderson Cooper 360 December 3, 2013 06:34:00
Some of the plane rides can be fairly long rides, so if somebody is real sick there could be a concern about that. it is re-circulated air, the air goes through the filters, which are actually quite good, better than a lot of homes that can filter out the contagious particles. so the air is a little bit of a concern, what is a greater concern for passengers, the trays, seat pockets, the bathrooms. >> and those things -- the what do you call them? >> the seat backs. >> those are are never washed