HIV prevalence is increasing worldwide because people on antiretroviral therapy are living
longer, although new infections decreased from 3· 3 million in 2002, to 2· 3 million in 2012 …

Modern infectious disease epidemiology has a strong history of using mathematics both for
prediction and to gain a deeper understanding. However the study of infectious diseases is …

There has been an enormous increase in interest in the use of evidence for public
policymaking, but the vast majority of work on the subject has failed to engage with the …

Background Although local spatiotemporal analysis can improve understanding of
geographic variation of the HIV epidemic, its drivers, and the search for targeted …

Introduction Young adolescent women in sub‐Saharan Africa are three to four times more
likely to be HIV‐positive than boys or men. One of the relationship dynamics that is likely to …

Background: Prevalence of HIV infection is considerable among youth, although data on risk
factors for new (incident) infections are limited. We examined incidence of HIV infection and …

AIDS has been a devastating plague in much of sub-Saharan Africa, yet the long-term
implications for gender and sexuality are just emerging. AIDS and Masculinity in the African …

Background There is a large and persistent racial disparity in STI in the US which has
placed non-Hispanic-Blacks at disproportionately high risk. We tested a hypothesis that both …

We study the long-term determinants of the high rates of female HIV prevalence in sub-
Saharan Africa, with a focus on the transatlantic slave trade. Our hypothesis is that the latter …

Background 'Transactional sex', defined as a non-marital, non-commercial sexual
relationship in which money or material goods are exchanged for sex, is associated with …