A = These zombies usually originate from some kind of supernatural disease or ailment (A=Second Digit)
B = The dead are reanimated with dark magic usually from some source of evil. These zombies usually crawl out from their graves and destroy any life that they come in contact with. (Eighth Digit = B)
C = The human spirit is powerful, in some cases powerful enough to resurrect its body. this usually only happens much like a ghost and the spirit has unfinished business and still needs its body to complete some kind of task. (Third Digit = C)
D = Altering of DNA can affect the body and mind in many ways, from alteration of physical characteristics or even manipulating thoughts and causing zombie-like desires to massacre the human race. (Second Digit = D)
E = Some form of energy other than magic such as space du = Some form of energy other than magic such as space dust, dimensional forces, hair spray exposed to comet radiation, ect. causes dead tissue to come alive again. There a many "b" movies that have strange origins of zombies that probably fit in this category. (First Digit + 1)
F = This is the case of some kind of magic curse, spell or potion enchanting a living person to become immortal. The person cannot die of normal means. It takes the physical appearance of a living corpse unable die even if it wanted to, in other words loosing free will. (First Digit = F)
You can check your answers for this puzzle on GeoChecker.com.
Congratulations to Grove at Arlington for the FTF on the 7th of August