11 Result(s)
within
Holly Hagan
Infectious Diseases
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Article
The Interaction of Risk Network Structures and Virus Natural History in the Non-spreading of HIV Among People Who Inject Drugs in the Early Stages of the Epidemic
This article explores how social network dynamics may have reduced the spread of HIV-1 infection among people who inject drugs during the early years of the epidemic. Stochastic, discrete event, agent-based si...
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Article
Open AccessSpontaneous viral clearance of hepatitis C virus (HCV) infection among people who inject drugs (PWID) and HIV-positive men who have sex with men (HIV+ MSM): a systematic review and meta-analysis
Hepatitis C virus (HCV) infection causes significant morbidity and mortality among people who inject drugs (PWID) and HIV+ men who have sex with men (MSM). Characterizing spontaneous viral clearance of HCV inf...
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Article
Community Sexual Bridging Among Heterosexuals at High-Risk of HIV in New York City
Community sexual bridging may influence the socio-geographic distribution of heterosexually transmitted HIV. In a cross-sectional study, heterosexual adults at high-risk of HIV were recruited in New York City ...
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Article
Providing ART to HIV Seropositive Persons Who Use Drugs: Progress in New York City, Prospects for “Ending the Epidemic”
New York City has experienced the largest HIV epidemic among persons who use psychoactive drugs. We examined progress in placing HIV seropositive persons who inject drugs (PWID) and HIV seropositive non-inject...
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Article
Bisexual Behavior Among Male Injection Drug Users in New York City
Drug using men who have sex with men and women (MSMW) may be at high risk for HIV infection and transmitting HIV to sex partners. In 2012, injection drug users (IDUs) were sampled in New York City for the Nati...
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Article
Spatial Recruitment Bias in Respondent-Driven Sampling: Implications for HIV Prevalence Estimation in Urban Heterosexuals
Respondent-driven sampling (RDS) is a study design used to investigate populations for which a probabilistic sampling frame cannot be efficiently generated. Biases in parameter estimates may result from system...
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Article
Open AccessTransitions in Latent Classes of Sexual Risk Behavior Among Young Injection Drug Users Following HIV Prevention Intervention
We analyzed data from a large randomized HIV/HCV prevention intervention trial with young injection drug users (IDUs). Using categorical latent variable analysis, we identified distinct classes of sexual behav...
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Article
Dual HIV Risk: Receptive Syringe Sharing and Unprotected Sex Among HIV-Negative Injection Drug Users in New York City
HIV-negative injection drug users (IDUs) who engage in both receptive syringe sharing and unprotected sex (“dual HIV risk”) are at high risk of HIV infection. In a cross-sectional study conducted in New York C...
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Article
Open AccessPeer-Education Intervention to Reduce Injection Risk Behaviors Benefits High-Risk Young Injection Drug Users: A Latent Transition Analysis of the CIDUS 3/DUIT Study
We analyzed data from a large randomized HIV/HCV prevention intervention trial with young injection drug users (IDUs) conducted in five U.S. cities. The trial compared a peer education intervention (PEI) with ...
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Article
Estimating HIV Incidence and the Correlates of Recent Infection in Venue-Sampled Men Who Have Sex With Men in New York City
In a cross-sectional study, MSM aged ≥18 years were venue-sampled in New York City in 2008, interviewed, and tested for HIV using oral fluids. Participants who reported testing HIV negative at their last test ...
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Article
Reconsidering the Internet as an HIV/STD Risk for Men Who Have Sex with Men
Previous studies linking online sexual partnerships to behavioral risks among men who have sex with men (MSM) may be subject to confounding and imprecise measurement of partnership-specific risks. We examined ...
