I am in CT and we had a few cases in 2022 around Hartford county area the affected a rabbitry. I believe they lost 13-14 rabbits and the source was never found. I have not heard of any other outbreaks for quite some time.
After hearing of this, we choose to keep our rabbits indoors and no longer allow them to roam in the yard.
I did have one of my 4-H girls vaccinate her rabbit and had they no issues with it. I believe it is a 2 series vaccine and then an annual booster there after. The bunny has shown no side affects. I hope this helps.