In the novel Peeps by, Scott Westerfeld, a boy named Cal Thompson is infected with a parasite that cause vampirism in others. Throughout the book he travels around to find find his Ex-girlfriends to find out who gave him this horrible parasite. Somehow he hasn’t turned into the vampire that is expecting to come out of this but his all of his recent girlfriends have. He goes along with Morgan to find all of them and hunt them down before anything can happen to anyone else.