I don’t know how much this one helps, but it’s not on your list:
Take advantage of that vent above your head.
“Set your ventilation at low or medium,” he says. “Then position it so you can draw an imaginary line of current right in front of your head. I put my hands on my lap so I can feel the current — so I know it’s properly positioned.”
Then if something infectious is floating in your personal space, he says, that air from the vent will create enough current to knock it away.
I don’t know how much this one helps, but it’s not on your list:
– Pathogens On A Plane: How To Stay Healthy In Flight