[Mick]

Demographics could play a role.  Whether through events or genetics, the different language groups might also have different distribution of ages which could explain the different CFRs.    For instance, if you took the number of people in Florida that speak with a NY accent, they probably have a higher CFR than those that speak with an Alabama accent.  The difference would be from their ages.

Lots of different accents in Silicon Valley, the hardest-hit of the CA counties on a per capita basis:

https://projects.sfchronicle.com/2020/coronavirus-map/

[Mick]

Demographics could play a role.  Whether through events or genetics, the different language groups might also have different distribution of ages which could explain the different CFRs.    For instance, if you took the number of people in Florida that speak with a NY accent, they probably have a higher CFR than those that speak with an Alabama accent.  The difference would be from their ages.

Lots of different accents in Silicon Valley, the hardest-hit of the CA counties on a per capita basis:

https://projects.sfchronicle.com/2020/coronavirus-map/