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The zombie threat is made worse by the fact that their victims then turn into the creature that attacked them. This too is similar to other monsters (werewolves and vampires) and also similar to the sub-genre of infection/plague films. In the case of zombies, however, this may carry a greater sense of dread and revulsion: vampires and werewolves can be seen as desirable, potent, intelligent, virile creatures whom one might like -- in some way at least -- to become; a mindless ghoul condemned to wander aimlessly across an empty, ruined earth seems much less attractive.

The zombie threat is made worse by the fact that their victims then turn into the creature that attacked them. This too is similar to other monsters (werewolves and vampires) and also similar to the sub-genre of