books.google.com.au - Most human diseases come from nature, from pathogens that live and breed in non-human animals and are "accidentally" transmitted to us. Human illness is only the culmination of a complex series of interactions among species in their natural habitats. To avoid exposure to these pathogens, we must understand...http://books.google.com.au/books/about/Lyme_Disease_The_Ecology_of_a_Complex_Sy.html?id=8AmUSbffoL4C&q=Borrelia+burgdorferi&utm_source=gb-gplus-shareLyme Disease : The Ecology of a Complex System
