Conversation so far:
What is Vampire's Baptism of Blood in relation to Count Dracula?
Van Helsing refers to the act of drinking blood by both the vampire and the victim the Vampire's Baptism of Blood.
Is Count Dracula from a movie?
Count Dracula has been portrayed by more actors in more visual media adaptations of the novel than any other horror character.

Question: Is this based on a book?
Self-contained rewrite: Is Count Dracula based on a book?