True aerosols are unlikely to be produced outside of medical procedures. Droplet emission appears to be, as the post points out, the chief culprit. Talking, singing, exertion, etc all promote much more droplet emission than simply breathing. People may go back to the office but face to face discussions are going to be one of the things that are strictly limited. Some companies might almost entirely ban them.
This of course also speaks to the likely effectiveness of masks as source control. Cutting the viral output of a given person makes it less likely another will be infected, even if the reduction is merely partial.
But just breathing and talking are what I'm talking about with aerosols - there are no droplets there; just small quantities of virus in water vapor. I'm not sure why the Dr. Bromage calls them droplets, could be a matter of terminology (with me likely be wrong).
Better ventilation, reduced office staff size. People with persistent sneezing and coughing at work should be tazed and then sent home
. Lots of PPE, particularly masks as you mention (but sneezing and coughing still blast out the sides of the masks). Droplet spread is the worst (larger viral loads), but even small viral load outputs per minute add up over the course of hours without sufficient ventilation. Going out to eat at a nice restaurant with a few friends is going to be a bad scene (90-120 minutes of eating and drinking, with no masks obviously); since there will be many other people doing the same in a fairly small space. This bums me out quite a bit, since it's my favorite way to relax in a social environment. Eh, better than being hospitalized or dead.
I probably had the flu like you did this past February despite getting the flu shot. It was resolving fine and then I developed bronchitis (so glad I have asthma). After that experience I sure as hell don't want to get COVID.