Originally Posted by
Flying Bat
If you can bear the strange looks a anti bacterial facemask works well easily purchased from most pharmacies.
I was flying back from EZE to MEX during the swine flu scare, and a bunch of the Mexican passengers were wearing these.
Basically, facemasks are essentially useless to prevent the
wearer from catching bugs. They do protect others from the wearers' coughs and sneezes, though.
Handwashing and avoiding contact with sick people are the only things that really protect you.