From Dracula to The Strain: Where do vampires come from? - BBC Culture
Dracula | Summary, Characters, & Facts | Britannica
Vampire - Wikipedia
TIL that the idea of wooden stakes to kill vampires actually came from the use of wooden stakes to pin the dead down so they couldn't escape the coffin. A measure taken
Newly Found Genetic Disorder Might Explain Where “Vampires” Came From — Nerdist