the first vampire i know of in folklore is vlad the impaler also known as count dracula a dark magician the order of the dragon who used the philophosers stone to become immortal and supposedly still lives as well as a pact with the darkones he became the first strucken with vampirism
the first werewolf was the founder of the cult of lupercus he supposedly killed a golden wolf at the winter solstice prized by lupercus the wolf god a solor deity and was cursed to become it every fullmoon
how to fight or identify them ; a vampire is allergic to sunlight abhors christianity and is weak against its symbols the cross holywater priest etc. they are allergic to garlic as well they only come out at night to drink blood you can kill them by decapitateing stakeing them in the heart or exposeing to sunlight are useually anemic looking and act like there possessed extreme strength nightvision fear or hate of christianity/werewolfs look like everyone else have hightened sences of hearing smell taste and hate silver which they are allergic to that and wolfsbane.
truths;in old times when someone was in a coma it was hard to tell wether they were dead or alive or had a pulse so imagine someones surprize when their loved one came home from the grave it became custemery to behead stake through the heart or burn the body to prevent this tombstones were piled on the grave to hold them in to with vampism there is a true allergy to sunlight and a blood disorder requireing blood transfusions and there are vampire bats lol there are a lot of vampire cults as well even bars wether their really vampires is debateable all ways exist it wouldn't surprize me if they were real i know scientist can make a mouse grow an ear on its back they could genesplice you with a vampire bat to grow wings fangs wolf tail horns etc. if you had the money reality is stranger than fiction tv and folklore is based on reality seek and you will find thats all i know about it blessed be )O(