The purpose of a mask is to either stop you from infecting someone else stop you from touching your nose/mouth after touching an infected surface That second one seems entirely counter intuitive.
The purpose of a mask is to either
stop you from infecting someone else
stop you from touching your nose/mouth after touching an infected surface
The purpose of a mask is to either
stop you from infecting someone else
stop you from touching your nose/mouth after touching an infected surface
That second one seems entirely counter intuitive.