In this Sept. 26, 2007 file photo Luc Montagnier, one of the doctors who helped first isolate the HIV virus, poses with a golden crown of laurels awarded to him in Sofia, Bulgaria . Germany's Harald zur Hausen and French researchers Francoise Barre-Sinoussi and Luc Montagnier have shared the 2008 Nobel Prize in medicine. Montagnier and Barre-Sinoussi were honored for discovering HIV, the AIDS virus (AP Photo) AP Photo/STR...Read More