Originally Posted by
bocastephen
I guess I could pack a pair of swimming goggles too and I'll look like an extra from Star Wars, but what I find most useful is positioning the airvents to create an air wall around me and push any malfeasance away, or back to its source.
I too employ the air defense method - creating my "germ block" / "stink shield" wall (do a search for stink shield on FT if you want a laugh). Unfortunately, since the air is partially recirculated on the plane - you can't block what is already in the air coming out of the vent...