Once you have allowed it to run rampant, mitigation is less effective. There was a window but that is long gone. Obviously, wearing masks remains important. Also, enabling employers and schools to test everybody weekly will identify infection much sooner, allow people to isolate sooner, enable earlier tracing, and limit further spread. This Is the only way to shutdown just the sick and not everybody else. Most of the testing today is still when people feel sick. The professional sports leagues have proven that preemptive testing and strict adherence to protocols can protect a population. It worked amazingly well. While the entire population cannot be as aggressively protected, there are certainly lessons. At the end of the day, the facts do not lie. The US is among the worst countries in it’s class in terms of infection, hospitalization, and deaths.