Background Oral and anal sexual behaviours are increasingly reported among adolescents
and adults reporting heterosexual sex in peer-reviewed journals in high income countries …

Background Genital warts are important causes of morbidity and their prevalence and
incidence can be used to evaluate the impact of HPV vaccination in a population. Methods …

Background Understanding determinants of preventive sexual behaviours is important for
intervention efforts to support these behaviours and, thereby, reduce STIs and HIV burden …

Social taboos and stigmas around sexuality and non-marital sex in Indonesia have led to
substantial underreporting of the prevalence of premarital sex. In this study, we explore …

To examine the degree, correlates, and implications of inconsistent self-report data on
sexual risk behaviors of adolescents. We analyzed data from four longitudinal group …

Background Case detection delay (CDD) in leprosy is defined as the period between the
onset of the first signs and symptoms and the time of diagnosis. A tool, consisting of a …

Introduction Risk reduction towards safer behaviour is promoted after enrolment in HIV
prevention trials. We evaluated sexual behaviour, changes in sexual behaviour and factors …

Developing a complex collaborative program across multiple African countries,
characterized by a diversity of government models, laws, cultures and norms, resources and …

Objectives We explored determinants of attrition in a longitudinal cohort study in Nigeria.
Study Design and Setting We enrolled 1,020 women into a prospective study. Of these, 973 …

Psychological distress (PSYCH), somatic distress (SOMA), affective disorders (AD), and
substance use (SU) frequently co-occur. The genetic relationship between PSYCH and …