If a human is bitten by a vampire, the only way to survive is to drink some of the vampire blood's blood before all of their blood is lost the human will then become a lower ranking vampire they are the thrall of the vampire that bit them and that vampire will become their sire whom they must obey. however if a human receive the blood of a vampire on the night of the blood moon they will become an independent vampire, which we call newborn vampire. pure blooded vampires are rare and powerful