About the only thing we know works is vaccines and all these cool treatments we've figured out.
These are all ethical, very effective and cost the individual almost nothing.
Enforcing social distancing is complex and incurs costs. For outdoor venues it seems to be less effective. What other methods are causing far more harm than good, far more harm than doing nothing?
Actually this costs trillions of dollars.[0]
[0] https://www.bea.gov/news/2020/gross-domestic-product-2nd-qua...
Which things do you think are wild new tactics for trying to contain a pandemic? Social distancing? Lockdowns? Wearing masks in public? Because if you think any of those are untested wacky "nobody's ever tried anything like this before!" approaches, you need to spend a few more minutes with your favorite search engine.