142nd APHA Annual Meeting and Exposition

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From Coast to High Rise: New HIV Infections in the Highest Impacted Areas of Los Angeles County

142nd APHA Annual Meeting and Exposition (November 15 - November 19, 2014): http://www.apha.org/events-and-meetings/annual
Tuesday, November 18, 2014

Shoshanna Nakelsky, MPH , Division of HIV and STD Programs, Los Angeles County Department of Public Health, Los Angeles, CA
Deanna Lewis, MPH , Division of HIV and STD Programs, Los Angeles County Department of Public Health, Los Angeles, CA
Douglas Frye, MD, MPH , Division of HIV and STD Programs, Los Angeles County Department of Public Health, Los Angeles, CA
Background: Los Angeles County is a large and diverse county divided into 8 “Service Planning Areas” (SPA). Two SPAs – Metro (including Hollywood/Downtown) and South Bay (SB; including Long Beach) – have large numbers of people living with HIV, large concentrations of men who have sex with men (MSM) – the group most at risk for HIV – and high rates of substance abuse and STDs, factors related to HIV transmission.

Methods: Data from LAC’s HIV Incidence Surveillance (HIS) was used to estimate new HIV infections for two time periods: 2007-2009 and 2010-2012, by SPA. HIS estimates rely on CDC’s “STARHS” methodology that accounts for all new infections, diagnosed and undiagnosed. 

Results: For each 3-year period, we estimate 6,200 new HIV infections, including 5,380 (87%) MSM. For each period, in Metro we estimate 91% of infections were MSM; while the MSM proportion in SB increased (83% to 87%). The estimated percent of infections in White residents increased in Metro (31% to 35%) but decreased in SB (30% to 24%). In SB, the proportion of infections in Blacks (20% to 27%) and Latinos (38% to 41%) increased. In SB, the estimated percent of infections increased for residents <30 years old (43% to 49%).

Conclusions: This analysis highlights variations in HIV transmission that can be seen in different areas of a large county among demographic and risk groups. It highlights the importance of monitoring transmission shifts in smaller areas of analysis to ensure that funds for prevention and care are appropriately allocated.

Learning Areas:

Epidemiology

Learning Objectives:
Identify demographic and risk groups most impacted by HIV. Discuss how HIV risk is shifting by region in Los Angeles County.

Keyword(s): HIV/AIDS, Surveillance

Presenting author's disclosure statement:

Qualified on the content I am responsible for because: I am the principal investigator for HIV Incidence Surveillance, a federally funded grant. My research has focused on investigating factors that influence HIV risk predominately in men who have sex with men, at-risk youth and women.
Any relevant financial relationships? No

I agree to comply with the American Public Health Association Conflict of Interest and Commercial Support Guidelines, and to disclose to the participants any off-label or experimental uses of a commercial product or service discussed in my presentation.

Back to: 4282.0: HIV Prevention Among Specific Populations 1