“Vampires feed on human blood, which causes the victim to suffer not only from blood loss but also from the indignity of turning into a vampire themselves. Each feeding therefore decreases the human population by one and increases the vampire population by one.”
I’m no fan of horror, but even I know that’s not how it works. Just because a vampire feeds on you does not mean you die, much less that you become a vampire yourself. There are variations on the myth, of course, but every version I’m aware of distinguishes between victims fed upon, victims killed by the feeding, and finally victims that are turned into vampires after feeding. Usually the humans need to drink the vampire’s blood, or something, before they die in order to convert. Otherwise they just die.
Even if this is not true of all vampire stories, it is true of most of them, which makes this study irrelevant, wasteful, and frankly stupid.
“Vampires feed on human blood, which causes the victim to suffer not only from blood loss but also from the indignity of turning into a vampire themselves.”
Oh, and I didn’t draw it out explicitly, but it’s not merely that you suffer blood loss. You must die before turning into a vampire. For they are undead. If you don’t die, you are still a human.
My studies from watching movies conclude that vampire saliva causes the infection for example if they bite the girl and the hero bursts into the room and scares the Vampire off. But if they drink all your blood you die before the infection spreads, for example the vampire chronicles. So it is up to the Vampires how many they want to create and they create just enough to not cause a major problem.