Dog bites...what breeds have bitten you and what were the cirstances?

So far this week (I work at a vet clinic) I've been bitten by a border collie was an unsocialized farm dog, that was dominant aggressive and a golden retriever... the golden was extremely excited, had no manners, jumped all over everyone and not just paws on your legs.. i mean hopping like a pogo stick to get his face in your face..