you are viewing a single comment's thread.

view the rest of the comments →

[–]Brewdabier 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (1 child)

Because it's a sterile environment and they are mitigating the transfer of bacteria and fungal spores to patients.

And there's the proof a mask works.