Indeed, there can't be much prestige in being twinned with a virus....maybe it causes congenital defects of the fingers leading to a digit deficiency...
https://en.m.wikipedia.org/wiki/Schmallenberg_virus
Does everyone in Burgess Hill only have three fingers or is it just you?
It's a physical quirk you appear to share with the Simpsons. Perhaps Burgess Hill should be twinned with Springfield.