Category Archives: Epidemiology
Can hepatitis C virus prevalence be used as a measure of injection-related human immunodeficiency virus risk in populations of injecting drug users? An ecological analysis
BACKGROUND: Human immunodeficiency virus (HIV) outbreaks occur among injecting drug users (IDUs), but where HIV is low insight is required into the future risk of increased transmission. The relationship between...
Impact of hepatitis B virus infection on the progression of AIDS and mortality in HIV-infected individuals: A cohort study and meta-analysis
Background. The effect of hepatitis B virus (HBV) infection on the natural history of human immunodeficiency virus (HIV) disease remains uncertain. Therefore, a retrospective cohort study was conducted to examine...
HIV prevalence among female sex workers, drug users and men who have sex with men in Brazil: A systematic review and meta-analysis
BACKGROUND:The Brazilian response towards AIDS epidemic is well known, but the absence of a systematic review of vulnerable populations – men who have sex with men (MSM), female sex workers...
The role of coinfections in HIV epidemic trajectory and positive prevention: A systematic review and meta-analysis
OBJECTIVES: Recurrent or persistent coinfections may increase HIV viral load and, consequently, risk of HIV transmission, thus increasing HIV incidence. We evaluated the association between malaria, herpes simplex virus type...
The cost-effectiveness of preventing mother-to-child transmission of HIV in low- and middle-income countries: Systematic review
Background: Although highly effective prevention interventions exist, the epidemic of paediatric HIV continues to challenge control efforts in resource-limited settings. We reviewed the cost-effectiveness of interventions to prevent mother-to-child transmission...
Human immunodeficiency virus prevalence is increasing among men who have sex with men in China: Findings from a review and meta-analysis
Background and Method: Multiple studies reported a fast-spreading human immunodeficiency virus (HIV) epidemic among men who have sex with men (MSM) in China. This study aimed to estimate the magnitude...
Systematic review and meta-analysis of HIV prevalence among men in militaries in low income and middle income countries
OBJECTIVES: To determine whether the current HIV prevalence in militaries of low-income and middle-income countries is higher, the same, or lower than the HIV prevalence in the adult male population...
Epidemiology of HIV among female sex workers, their clients, men who have sex with men and people who inject drugs in West and Central Africa
INTRODUCTION: The West and Central Africa (WCA) sub-region is the most populous region of sub-Saharan Africa (SSA), with an estimated population of 356 million living in 24 countries. The HIV...
Prevalence of unprotected anal intercourse and unprotected vaginal intercourse among HIV-positive men who have sex with men in China: A meta-analysis
This study aims at deriving a general description of the prevalence of unprotected anal intercourse among HIV-positive MSM in China using published epidemiological research. Comprehensively searching Wanfang, Weipu, China Biological...
The effectiveness of group-based comprehensive risk-reduction and abstinence education interventions to prevent or reduce the risk of adolescent pregnancy, human immunodeficiency virus, and sexually transmitted infections: Two systematic reviews
CONTEXT: Adolescent pregnancy, HIV, and other sexually transmitted infections (STIs) are major public health problems in the U.S. Implementing group-based interventions that address the sexual behavior of adolescents may reduce...
