the new mutation allows it to not only infect us but animals to Wich causes some intersting things to happen I am use'ing a wolf as example stage one the animal will be more aggressive than usual even if it not aggresive they will experience hunger pangs,insomnia and severe weight lost stage 2 the animals body begins to mutate in this for example for our dear wolf here (the image of the project)they grown another head and the animals body begins to experience hair loss or becomes more mutated stage 3 not many make it to this stage do the constant changeing in the body and most starve to till they can not sustain themselves any longer uncontrollable urge to infect and eat stage 4 currently unkown as few seen stage 4 and often not seen but they are extremely dangerous and and must steer clear at all times.
I did not draw this