Some scholars think that the 18th century rabies epidemics shaped the vampire legend.
https://www.tampabay.com/archive/1999/04/20/rabies-seen-as-b...
Part of it is that after it does its thing in the brain, it then travels to the salivary glands where it can then spread through a bite.
Bram Stoker’s vampire characters and stories are gay, as are their heirs (Anne Rice).
Sparkling Twilight vampires are Latter-Day Saints.
Zombies and vampires existed long before these novels and films got made, but pop culture has a way of wiping out and superseding local folk culture in the modern minds of new generations.
Case in point.