An experimental AIDS vaccine has for the first time had an impact on the risk of infection, researchers said today. Quelle: http://feeds.timesonline.co.uk/c/32313/f/440134/s/649bf36/l/0L0Stimesonline0O0Ctol0Clife0Iand0Istyle0Chealth0Carticle68470A570Bece0Tcid0FOTC0ERSS0Gattr0F20A15164/story01.htm