Quote Originally Posted by Topus View Post
We had a good example of their effectiveness with the plague that wiped one third of european people during the middle ages. And they even weren't seeking for human brains :P
That was more the fleas on the rats than the rats themselves wasnt it? The rats werent biting people, they were carrying plagued fleas which would jump off in peoples homes, nibble on them, and bam, black death. Zombie rats would truly be terrifying. Especially if they formed swarms.