Vampirism in the light of Jacques VallΓ©e's theories

In this article we will try to give an explanation to a sensational and inexplicable case of vampirism that occurred in Transylvania in 1816 using some theories of the French-American ufologist Jacques VallΓ©e, namely the existence of the dimension of Magonia, the ability of the inhabitants of Magonia to manipulate humans and the theory of the "thermostat effect".