If you are just going to verify the info, why not just find out yourself and save yourself some time?

https://en.m.wikipedia.org/wiki/English-language_vowel_changes_before_historic_/r/

Yes I would say “bury” like “berry”

I grew up in North Philly and South Jersey

It’s listed under Merry Murray merger in the wiki link

Depends where you are. Most in the US pronounce them the same, but they are all distinct in Philly for example. But we pronounce “berry” and “bury” the same.

Polio wasn’t around in the 90s I was there. Sepsis is still a thing. MRSA wasn’t really as common as it is now.

True, but the population in industrialized societies have become less and less healthy at the same time. We have Ozempic, but we also have 30% of Americans with prediabetes.