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Engagement in the HIV Care Continuum among Key Populations in Tijuana, Mexico.

Authors
  • Smith, Laramie R
  • Patterson, Thomas L
  • Magis-Rodriguez, Carlos
  • Ojeda, Victoria D
  • Burgos, Jose Luis
  • Rojas, Sarah A
  • Zúñiga, María Luisa
  • Strathdee, Steffanie A
Publication Date
May 01, 2016
Source
eScholarship - University of California
Keywords
License
Unknown
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Abstract

In Tijuana, Mexico, HIV is concentrated in sub-epidemics of key populations: persons who inject drugs (PWID), sex workers (SW), and men who have sex with men (MSM). To date, data on engagement in the HIV care continuum among these key populations, particularly in resource-constrained settings, are sparse. We pooled available epidemiological data from six studies (N = 3368) to examine HIV testing and treatment uptake in these key populations; finding an overall HIV prevalence of 5.7 %. Of the 191 identified HIV-positive persons, only 11.5 % knew their HIV-positive status and 3.7 % were on ART. Observed differences between these HIV-positive key populations suggest PWID (vs. non-PWID) were least likely to have previously tested or initiate HIV care. MSM (vs. non-MSM) were more likely to have previously tested but not more likely to know their HIV-positive status. Of persons aware of their HIV-positive status, SW (vs. non-SW) were more likely to initiate HIV care. Findings suggest engagement of key populations in HIV treatment is far below estimates observed for similarly resource-constrained generalized epidemics in sub-Saharan Africa. These data provide one of the first empirical-snapshots highlighting the extent of HIV treatment disparities in key populations.

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