Since the first case was recognized in the early 1980’s, the spread of the human immunodeficiency virus (HIV), which causes acquired immune deficiency syndrome (AIDS), has achieved pandemic proportions (CDC, 1981; UNAIDS, 2006). According to the latest report from the Joint United Nations Programme on HIV/AIDS (UNAIDS) and the World Health Organization (WHO) (2009), HIV/AIDS continues to be a…