Weird Way Lyme Disease Bugs Avoid Immune System
http://www.livescience.com/28120-lyme-d ... anese.html

The bacterium that causes Lyme Disease substitutes manganese for iron in its diet, a new study finds. The pathogen is the first known organism to live without iron.

This talent helps the pathogen evade the immune system, which often acts against foreign invaders by starving them of iron.