Haven't had time to look into this either, just know that the argument exists. Stefan Lanka also has a good interview about the non-existent bird flu virus on the Whale site below. The last link has a lot of links about HIV and AIDS, but I haven't gone through them.

http://www.harmonikireland.com/index.php?topic=HIV

http://www.whale.to/a/lanka_h.html

http://s13.invisionfree.com/THE_UNHIVED_MIND/ar/f8.htm