Associated Press
In this photo taken July 25, 2012, Carolyn Massey, 54, of Laurel, Md., who has HIV, waits for the start of a panel on "Aging With HIV," which she is speaking on, at the International AIDS Conference in Washington. AIDS is graying: By the end of the decade, the government estimates, more than half of Americans living with HIV will be over 50. Even in developing countries, more people with the AIDS virus are surviving to middle age and beyond. (AP Photo/Jacquelyn Martin)

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