What is the prevalence of HIV infection worldwide?

Updated: Mar 05, 2020
  • Author: Delia M Rivera, MD; Chief Editor: Russell W Steele, MD  more...
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Answer

Although the annual number of new HIV infections has been steadily declining since the late 1990s, the epidemics in Eastern Europe and in Central Asia continue to grow; the number of people living with HIV in these regions reached an estimated 1.6 million in 2005—an increase of almost 20-fold in less than 10 years. [8] The overwhelming majority of these people living with HIV are young; 75% of infections reported between 2000 and 2004 were in people younger than 30 years. In Western Europe, the corresponding percentage was 33%.


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