Depending on the point of view, zombies may result from an act of God, the irresponsible use of science, an environmental disaster, a cosmicevent and so forth.
The faith's official theology, after wrestling with the different senses in which Christ was human and divine, had crystallised with the pronouncement in the early fifth century that Mary was Theotokos, the Mother of God: the person whose body was the miraculous locus of a unique cosmicevent, the coming together of the Creator and the created, physical world.