Originally Posted by
Hartington
Do masks stop you getting the virus? Probably not. It's woryth remembering that virus particles are smaller than bacteria particles which is why hospital staff need those very specialised masks.
Do masks stop you spreading the vrus if you happen to have it? Again, probably not unless it's one of the highly specialised ones.
The cynic in me is going to suggest that the airlines are working on the basis of legal advice rather than health advice.
If by "probably not" you mean, say, 75% probably not, that other 25 or 45 % is still a lot of dead people.