“43%, or nearly double the number, were “unknown or undocumented” as to their vaccinated status, which means they weren’t here in the country legally.”
No, it does not mean that at all.
American schools will not accept a child until their shot record is up to date
If things have changed since then, I don't know about it ... and even if they have ... the greater majority of American kids have been vaccinated, IF for no other reason than that they're required and for many (welfare types) absolutely free
ESPECIALLY measles.
WE HAD, FOR ALL PRACTICLE PURPOSES ERADICATED IT
So what changed ... ?
illegals
period