New infections in sub-Saharan Africa 15 percent lower in 2008 , report says . That area remains the region hardest-hit by HIV . Decline attributed in part to HIV prevention efforts , UNAIDS official says . Comment: Number living with HIV has increased , and AIDS deaths have declined over five years .
New infections in sub-Saharan Africa 15 percent lower in 2008 , report says . That area remains the region hardest-hit by HIV . Decline attributed in part to HIV prevention efforts , UNAIDS official says . Report : Number living with HIV has increased , and AIDS deaths have declined over five years .