I've never been bitten.. which is wierd, because I have aproached/taken in strays for as long as I can remember. And I've been around plenty of bad owners/bad tempered dogs. I've witnessed dog bites, though, to my sisters and friends.

*Cocker Spaniel, twice. He was our childhood dog, a show champion, and the best bred dog you could imagine. His stupid groomer gave him tons of burns on his belly, and my sister accidentally touched the area (he had just come home from the groomers and my mom hadnt realized) and he jumped up and practically bit my sisters cheek off.. she had to get hundreds of stitches. After that, he bit a nieghborhood kid when my Dad was walking him, so my mom had to give him to a no-kids home. I wouldn't blame it on him, though
*Bichon Frise
*Chihuahua mix
*Border Collie