But the smaller aerosols can travel much deeper into the lungs, reaching the microscopic alveoli. Then your screwed.
Alveoli are tiny air sacs in your lungs that take up the oxygen you breathe in and keep your body going. Although they're microscopic, alveoli are the workhorses of your respiratory system. You have about 480 million alveoli, located at the end of bronchial tubes.
But I agree with the importance of avoiding a large viral load. I've read the experts speculate that we could come into contact with a small dose, and not even get sick.
A flushing toilet, a fast running tap or using a public urinal can generate aerosols as well. In other words, it may be much easier to avoid the droplets, say it don't spray it, than it is the unseen aerosols.
There is a well documented case from Hong Kong during the first
SARS-CoV outbreak where an apartment occupant's aerosolized diarrhea episode infected many people in the unit. It traveled through the sewer venting system.
This 13 minute video is very good.
He talks about the amounts of materials that are expelled during normal speech, quiet speech and singing.
Counting to 100 in normal speech is like a cough into an open room.
People should just STFU.
People talk too much BS,
It's not what goes into their mouth that defiles them,
It's what comes OUT of their mouth that defiles them.