Background: Most studies that assess the relationship between concurrent sexual partnerships and sexually transmitted diseases (STDs) use dichotomous measures of whether concurrency was reported or not. However, different ...

Poverty may influence HIV risk by increasing vulnerability to economic shocks and thereby preventing key health investments. We explored this by examining the relationship between household shocks and the timing of traditional ...

Background: HIV counselling and testing (HCT) is a critical component of HIV prevention and treatment efforts. Between April 2010 and June 2011 South Africa ran an ambitious, multi-sector, campaign aiming to test 15 million ...

Objective: To examine whether individuals who learn that voluntary medical male circumcision (VMMC) partially reduces female-to-male HIV transmission erroneously infer a reduction in male-to-female HIV transmission ...