This is hardly news. The origin locale and timeframe (acquired zoonotically from Chimpanzees north of Kinshasa, probably around 1908, travelling by river to Kinshasa and Brazzaville, where social conditions permitted amplification and adaptation to human hosts) have been strongly supported by evidence for about a decade. David Quammen discusses it in detail in his book "Spillover". While this study adds more evidence supporting the theory, that area and timeframe was pretty much accepted as fact in the research community for some time.
That book is very widely spread outside of the AIDS research community, and is only peripherally about AIDS/HIV. Even lay-people are reading it in droves. Definitely a good read if you have the time.
Radiolab did a pretty interesting episode [1] regarding investigation in to Patient Zero. They talk about Typhoid Mary and Aids. I highly recommend it.
[1]-http://www.radiolab.org/story/169879-patient-zero/
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[ 2.9 ms ] story [ 29.4 ms ] threadFascinating read - published a few years ago.
http://www.npr.org/templates/story/story.php?storyId=9525342...
Possible allusion to: http://en.wikipedia.org/wiki/Roaring_Twenties
edit: especially when they say HIV and not Hiv
> the ones you spell out
If you're looking to distinguish these, you can use the term "initialism" for the latter.
http://en.wikipedia.org/wiki/Acronym#Nomenclature