In 2007, advances in the methodology of estimations of HIV epidemics applied to an expanded range of country data have resulted in substantial changes in estimates of numbers of persons living with HIV worldwide.

AIDS OUTLOOK/09 is a new report from UNAIDS that provides perspectives on some of the most pressing issues that will confront policymakers and leaders as they respond to the challenges presented by AIDS in 2009.

According to new data in the 2009 AIDS epidemic update, new HIV infections have been reduced by 17% over the past eight years.

AIDS OUTLOOK/09 is a new report from UNAIDS that provides perspectives on some of the most pressing issues that will confront policymakers and leaders as they respond to the challenges presented by AIDS in 2009.

According to new data in the 2009 AIDS epidemic update, new HIV infections have been reduced by 17% over the past eight years.