You might have a problem claiming bias
six million out of 10 million NC residents is a pretty large group
“1,070,136 participants among the 6,283,483 who were eligible received bivalent boosters,” also a pretty large group
the one constant that might be claimed is more democrats being vaccinated than republicans. OTOH, it would be hard to claim the virus recognizes political affiliation.
I’m afraid there is build in bias on every level.
The devil is in the details.
When I am aware of the vested interests involved & their track history I am very skeptical. It’s like walking among conmen & gambling that you can spot the con.