Perhaps unpopular opinion, but the US vaccination system is about the worst when it comes to preventing spread. Instead, it seems to be attempting to prevent death. I've always argued that preventing spread would as a byproduct prevent death, but I'm obviously not studied in the field. Put shortly, I would have vaccinated college kids and working age folks first. They are not likely to die from it, but are far more l…
In that case, the vaccination system worldwide is the worst. No country I know of has prioritized those groups over elderlies.
(Also, sorry for the vaguely propagandist source -- I originally heard about this on a podcast and am having trouble determining which, and this doesn't seem to be getting much coverage in English-language print media.)