As stated, vampirism is a virus that can be transmitted through the saliva of the vampire (similar to the enzyme found in the saliva of Marvel Comics vampires), and into the prey through incisions in the neck made by their fangs when feeding. Once infected, if not fully drained, it takes approximately 72 hours for the virus to mutate the soon-to-be vampire, transforming them into a new life form, one that feeds on the blood of humans in order to replenish their haemoglobin, which is not produced in the body of a vampire. Vampires can eat human food, but it has little to no nutritional value. Along with "The Thirst", vampirism also endows someone with an improved metabolism and biological functions that grant it a much increased longevity, superhuman physical and mental capabilities, and th