by Marcia G. Yerman, Empowher, USA - An August 2008 article in the Journal of the American Medical Association (JAMA) relates that females accounted for 27 per cent of new HIV infections in 2006. In a breakdown along age lines, the study showed that the 13-39 demographic had 9,130 of the 14,410 new infections; women 40-49 comprised 3,640; women 50 plus made up the remainder at 1,640.