What are facts about what people thought of vampires in the renaissance?

People often thought that vampires were crazy people and only light, the cross, and garlic will stop vampires attacking but no one has ever seen a vampire to my opion people often say vampires live in old castles in secret passage ways and in the cemetrys under ground in coffins animals can be vampires. People thought vampires are a myth only 21.9% of us now belive in vampires because films like Dracula infleuce us too be beliveing in vampires that's what bram stoker would of belived in in those times 72.5 and a half of us belived in vampires but as some people didnt e.g preist people also thought vampires are blood suckers on human only but as they also belived in there animals.