Fantastic. Now, compare the size of a coronavirus to that of bacteria. This will better help you understand the issue. The virus can travel on smell particles and respiratory "mist" of a similar size. It is why 14 studies by the cdc show masks have no effect blocking flu virus in a pandemic. It is why a cdc study shows masks have a 1.8% effect blocking cv during this pandemic. It is why there is not one single demonstration on any graph from any state that instituted mask mandates that demonstrates any effect of the enactment or rescinding of the mandate on # of reported cases.