Really has more to do with how you interact.
If you go to the worst hot spot and largely stick to your rig, your exposure will be low.
If you go around hugging and kissing all your friends, you exposure will be higher even if not in a hot spot.
We've been on the road since Sept and most places, you don't even go into the office, they take your credit card over the phone and you have no physical contact with anyone. If you want to meet with friends, sit outside with your lawn chairs spread out.