The hunt for the origin of HIV

The month of May is home both to World Aids Vaccine Day and the anniversary of the discovery of the AIDS virus itself.

http://blog.oup.com/2013/05/hunt-origin-hiv-aids-virus-spread/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+oupblog+%28OUPblog%29