Category Archives: Epidemiology
Zoonotic and vector-borne infections among urban homeless and marginalized people in the United States and Europe, 1990-2014
INTRODUCTION: In high-income countries, homeless individuals in urban areas often live in crowded conditions with limited sanitation and personal hygiene. The environment of homelessness in high-income countries may result in...
Global prevalence of injecting drug use and sociodemographic characteristics and prevalence of HIV, HBV, and HCV in people who inject drugs: A multistage systematic review
BACKGROUND: Sharing of equipment used for injecting drug use (IDU) is a substantial cause of disease burden and a contributor to blood-borne virus transmission. We did a global multistage systematic...
Prevalence and factors associated with depression in people living with HIV in sub-Saharan Africa: A systematic review and meta-analysis
Depression, one of the most common psychiatric disorders, is two- to three-times more prevalent in people living with HIV (PLHIV) than in the general population in many settings as shown...
Prevalence of hepatitis B and hepatitis C virus co-infection in India: A systematic review and meta-analysis
Hepatitis B virus (HBV) and hepatitis C virus (HCV) have several important similarities including worldwide distribution, hepato-tropism, similar modes of transmission and the ability to induce chronic infection that may...
Sex in the shadow of HIV: A systematic review of prevalence, risk factors, and interventions to reduce sexual risk-taking among HIV-positive adolescents and youth in sub-Saharan Africa
BACKGROUND: Evidence on sexual risk-taking among HIV-positive adolescents and youth in sub-Saharan Africa is urgently needed. This systematic review synthesizes the extant research on prevalence, factors associated with, and interventions...
Prevalence of Kaposi’s sarcoma-associated herpesvirus among intravenous drug users: A systematic review and meta-analysis
Intravenous drug users (IDUs) have been demonstrated to be highly vulnerable to HIV/AIDS. Nevertheless, the prevalence of Kaposi’s sarcoma associated herpesvirus (KSHV), an important co-infected agent with HIV, among this...
Global epidemiology of HIV infection and related syndemics affecting transgender people
INTRODUCTION: Transgender populations have been underrepresented in HIV epidemiologic studies and consequently in HIV prevention, care, and treatment programs. Since 2012, there has been a dramatic increase in research focused...
Renal manifestations of HIV during the antiretroviral era in South Africa: A systematic scoping review
BACKGROUND: It is estimated that 650,000 patients may develop human immunodeficiency virus (HIV)-related renal disease in South Africa. South Africa has recently adopted WHO policy, stipulating that all HIV-infected patients...
The peer and non-peer: The potential of risk management for HIV prevention in contexts of prostitution
Sex workers have been the protagonists and focus of HIV prevention campaigns and research since the late 1980s in Brazil. Through a review of national and international literature, combined with...
A scoping review of prevalence, incidence and risk factors for HIV infection amongst young people in Brazil
BACKGROUND: Despite young people being a key population for HIV prevention, the HIV epidemic amongst young Brazilians is perceived to be growing. We therefore reviewed all published literature on HIV...
Health outcomes associated with crack-cocaine use: Systematic review and meta-analyses
BACKGROUND: Crack-cocaine use is prevalent largely in socio-economically marginalized populations in the Americas. Its use has been associated with diverse health outcomes, yet no recent or systematic reviews of these...
