>Why don't all African primates have Most probably...
User zmil, in the Reddit Science subreddit,
>Why don't all African primates have HIV? Most probably do. [At least 45 species](http://link.springer.com/article/10.1007/s1076…
The Evolution of Resistance to Simian Immunodeficiency Virus (SIV): A Review
Overview of attention for article published in International Journal of Primatology, March 2014