Sub-Saharan Africa contains only 3% of the global population but an alarming 68% of the
world's adults and children living with HIV/AIDS (UNAIDS 2007). Sixtyeight percent of adults …

The notion that concurrent sexual partnerships are especially common in sub-Saharan
Africa and explain the regionLs high HIV prevalence is accepted by many as conventional …

Background Concurrent sexual partnerships are widely believed to be one of the main
drivers of the HIV epidemic in sub-Saharan Africa. This view is supported by theoretical …

Background Higher prevalence of concurrent partnerships is one hypothesis for the severity
of the HIV epidemic in the countries of Southern Africa. But measures of the prevalence of …

Objectives: Much of our understanding about the effect of concurrent sexual partnerships on
the spread of HIV derives from mathematical models, but the empirical evidence is limited. In …

The strength of the evidence linking concurrency to HIV epidemic severity in southern and
eastern Africa led the Joint United Nations Programme on HIV/AIDS and the Southern …

Background Having unprotected sex with multiple sexual partners (MSP) is the greatest risk
factor for human immunodeficiency virus (HIV) and other sexually transmitted infections …

Heterosexual exposure accounts for most HIV transmission in sub-Saharan Africa, and this
mode, as a proportion of new infections, is escalating globally. The scientific evidence …

Belief in superstition and witchcraft is central to many African conceptions of illness, disease
causation and etiology. While a number of anthropological studies have alluded to a …

Background Efficient HIV prevention requires accurate identification of individuals with risky
sexual behaviour. However, self-reported data from sexual behaviour surveys are prone to …