Undead Virus

A ship of some sort explodes in space and sends a virus to earth, driving all the undead insane. The once docile creatures/beloved allies now attack anything living. How will Joey fix this?

Cover art is not mine. Actually, none of the cover art I use is ever mine. So unless I say otherwise, just assume that the cover art isn't mine. I'm not making money off of it anyways, so I should be fine.