Reminds me of "Guns, Germs, and Steel". I've started reading it a few weeks ago, following recommendations on another HN thread. Great book so far. Part of the

Reminds me of "Guns, Germs, and Steel". I've started reading it a few weeks ago, following recommendations on another HN thread. Great book so far. Part of the book focuses on diseases, and how epidemic diseases only spread in large populations. Problem appears when small tribes with no immunization are exposed to these "common" diseases...