Analysis of Integrated HIV Housing and Care Services. B. Prevalence and Incidence of HIV/AIDS


As mentioned in Chapter I, the number of PLWHA in the United States has grown steadily, from 188,968 in 19934> to more than 1.1 million in 2013, as more people with the disease live longer, while the number of new infections remains steady, at about 50,000 per year (Centers for Disease Control and Prevention [CDC] 1993 & 2013). CDC’s National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention (NCHHSTP) collects and compiles surveillance data for 55 states and territories (NCHHSTP 2013).5 This data-set provides a national picture of HIV/AIDS prevalence and incidence.6 Since 2008, the national incidence of new HIV diagnoses has decreased slightly, but the national prevalence of PLWHA has increased (Figure II.1).

Figure II.1. United States HIV/AIDS Prevalence and Incidence (per 100,000 population)

Figure II.1. United States HIV/AIDS Prevalence and Incidence (per 100,000 population)

Source:       CDC NCHHSTP Atlas [].

The most recent (2010) data from CDC show that the states with the most PLWHA aged 13 and older were New York (132,523), California (111,666), and Florida (94,897) (Appendix B). Most PLWHA are concentrated in a few states; two-thirds reside in just 10 states.  In 2010, Washington, D.C., had both the highest prevalence of HIV/AIDS and the highest incidence of HIV diagnoses. Other states and territories have a high prevalence of HIV/AIDS (Florida, Maryland, New York) and an incidence of HIV diagnoses substantially above the national average – although well below the incidence of Washington, D.C. (Florida, Louisiana, Maryland, Virgin Islands; Table II.1).

Table II.1. States and Territories with Highest Incidence and Prevalence of HIV/AIDS, 2010

States with Highest Incidence Rate of HIV Diagnoses States with Highest Prevalence Rate of Persons Living with Diagnosed HIV/AIDS
District of Columbia 172.8 District of Columbia 2,704.3
Maryland 38.3 New York 810.0
U.S. Virgin Islands 35.8 U.S. Virgin Islands 667.1
Louisiana 31.3 Maryland 632.9
Florida 30.5 Florida 592.7

Source:   CDC NCHHSTP Atlas []. Rates are per 100,000 people.

4 HIV/AIDS Surveillance Report from [].

5 NCHHSTP Atlas. Retrieved on March 7, 2013, from [].

6 Data not available for 2007.


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