The donor centers are probably the cleanest place you can visit outside an ICU. Their standard hygiene practices are superb and have been so since the HIV epidemic decades ago. (I’ve been giving blood routinely for at least 35 years.) Even if someone were to visit who had been exposed, there’s little chance they could transfer it to anything that would transfer it to you. The one opportunity you have to be close to other people who aren’t being extremely cautious at all times is in the canteen for your mandatory 20 minute break after donating, and unless the donor center is extremely crowded, you’ll be able to maintain a 6 foot separation and not touch anything that isn’t freshly removed from packaging for your use.
I donated platelets a week ago. I stopped donating whole blood ~ a year ago after noticing that it impacted my ability to exercise (blood oxygenation, presumably) for a few weeks after donating. Now that I’m sheltering-in-place and not getting any of my usual aerobic exercise, I’m considering giving whole blood once I’ve passed the waiting period.
Elinor Ostrom has written several books that would be informative. Much of her work is from the point of view of the incentives that produced particular patterns of cooperation and keep it going over long periods of time. You’ll have to do your own thinking about how to move a particular organization toward a stable norm. Robert Ellicskson’s “Order without Law” is more about dispute settlement among neighbors and enforcing different sets of norms than about organizing groups, but there are interesting examples there, too.
James C. Scott’s “Thinking like a State” talks more about pathological cases from a self-government viewpoint, and doesn’t have much to say about healthy groups.
I would want to expand the taxonomy to include sports leagues for children (children and their parents cycle through on an annual basis, while some core maintains the form of the organization) and HOAs, which are attached to property and have different standard pathologies, since membership is incidental to another goal, but members can impose substantial penalties and incentives on each other,