The flu regularly (like every few hundred years or so, I think) mutates into a strain that kills 10x as many as other strains. And our level of risk has basical

The flu regularly (like every few hundred years or so, I think) mutates into a strain that kills 10x as many as other strains. And our level of risk has basically always been... nothing. We don't do anything special for flu, at least not in general society.