The only real overlap right now is new england, places like the PNW have high vaccinations and low case rates. Regardless, there are so many factors that affect

The only real overlap right now is new england, places like the PNW have high vaccinations and low case rates. Regardless, there are so many factors that affect transmission, you can't easily learn much from geographic comparisons due to the impossibility of eliminating the confounds. However the science is clear, all else being equal, covid vaccines reduce transmission rates.