The rise of the vampire: How diseases may have led to Dracula

In many respects, the vampire of today is far removed from its roots in Eastern European folklore.

Vlad the Impaler's thirst for blood was an inspiration for Count Dracula

12 Fascinating Vampire Facts - Spirit Halloween Blog

Eeek! The actual diseases that inspired vampires, werewolves, and zombies

Rare disease in ancient times may have fuelled myth of vampires - Daily Record

It sounds batty, but was Dracula really a bleeding vegetarian?

Count Dracula Resurrected: Scientists Shed New Light on the Legendary Figure Behind the King of Vampires

If Dracula is king of vampires, who is the king of werewolves? - Quora

Vlad the Impaler, the model for Dracula, may have suffered from a disease that caused him to shed 'bloody tears' - GIGAZINE

The Rhode Island Vampire Panic: How Fear and Disease Led to the Burning of Hearts - Davids Basement of the Bizarre

Death, Disease & Pandemic: How Horror Writers of the Past Translated Illness (Part 1- Bram Stoker & the Rise of the Vampire)

Our Vampires Are Different - TV Tropes

Dracula by Bram Stoker