C855 I Am Willing to Give Everything to You
The difference between the Vampire and the vampires was that the vampires were infected by the Vampire's bite or drank the blood of the Vampire on their own accord, turning them into half-human and half-Vampire.
The Vampire was usually referring to the pure-blooded Vampire. There had been many times on Earth where the Vampire had wreaked havoc and plunged people into misery and suffering