so it’s not going ‘off the rails’ for every Hombre with a Black Hat, but rather every Hombre with a Black Hat, leather hat band, and a white feather, sort of. I’ve not read beyond the Abstract.

So each season it would be tuned to “what was in fashion” for the expected coming cold/flu season?

That sounds awesome.

Spray up the nose for a chance to miss the worst bug of he season? I would take those odds. (And yes, I’m aware of and partake of the bargain that is existing annual flu shot, haha.)