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The prevalence of HIV infection among older adults (age ≥50) has been rising, but how much of that increase can be attributed to new diagnoses in this age group versus improved life expectancy among those diagnosed at younger ages? To find out, investigators evaluated surveillance data on adults in the U.K. who received new HIV diagnoses or accessed HIV care services between 2000 and 2007.
During the study period, the number of new HIV diagnoses among older adults more than doubled, and by 2007, this age group accounted for 10% of all new diagnoses. About half the infections in this age group were thought to have been acquired at or after age 50. Older infected adults were more likely than younger ones to report male-to-male sexual activity …