1. All places had COVID responses, even places that didn't have state-wide rules. I doubt that there were any real number of Americans -- even in isolated commu

1. All places had COVID responses, even places that didn't have state-wide rules. I doubt that there were any real number of Americans -- even in isolated communities -- whose lives were not impacted by public health stuff during COVID. 2. Having flu outside your border be rarer means less flu coming in.