Quote Originally Posted by Red Shirt View Post
I further conjecture that the "Zombie" Plague is a bacteria, or a bacteria like organism and an Extremophile. As we know it is hostile to other forms of life... Keeping other forms of life "in check," periodically killing off life in ELE's as their proliferation ebbed and flowed with time. Therefore it was at some point removed from the Earth's surface in order to allow the Cambrian Explosion to occur.
Similar thoughts occurred to me, but I hadn't realized you'd beaten me to posting them (by several months). Have you seen my recent post about crows excrement carrying antibiotic-resistant bacteria?