My hope is that masks become much more socially acceptable for regular cold/flu after all this.

I heard a stat that in the southern hemisphere's 2019 flu season, the rate of flu tests that came back positive was something on the order of 13%. This flu season, the test positivity rate is 0.6%. Obviously lockdowns and even significant social distancing aren't going to happen for the flu, but I think you're right that we could easily do so much better when it comes to other transmissible diseases, and I hope that at the very least masking sticks with us.

Amen! We should all: - Wear a mask when even slightly ill - Stay home as much possible (even getting another person to pickup food) if you have symptoms - Get the flu shot

Stores, schools, etc. should also really think about circulation, hand sanitizer, and perhaps even nightly UV-C disinfectant.

Company culture needs to change: when sick, people should work from home for a job like programming and companies need give more sick leave for jobs like teaching where telecommuting doesn't work as well. Businesses really need to think about their part to play in protecting their customers.

As a side note, my mother who is older wasn't interested in the flu shot and I always wondered why. Even if it's 60% effective, that's just halving your chances of a sometimes fatal disease for $20 and a fifteen minute visit to a pharmacy. The US in particular needs to figure out how to do public health better.