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HIV mortality in low- and middle-income countries has declined since 2004, reflecting the benefits accrued from the more than $100 billion spent during the past 15 years to combat the HIV/AIDS epidemic. Now, investigators have used data from various national vital registries to provide a comprehensive, global assessment of HIV/AIDS incidence, prevalence, and deaths from 1980 to 2015. The trends were as follows:
Global HIV incidence peaked in 1997 at 3.3 million new infections, decreased thereafter by nearly 5% per year until 2005, and remained relatively stable during the last 10 years at about 2.5 million new infections annually.
Prevalence of HIV increased rapidly, from 2.4 million worldwide in 1985, to 28.0 million by 2000, to 38.8 million…