We did a systematic review and meta-analysis of observational studies of the risk of HIV-1
transmission per heterosexual contact. 43 publications comprising 25 different study …

Female sex workers (FSWs) bear a disproportionately large burden of HIV infection
worldwide. Despite decades of research and programme activity, the epidemiology of HIV …

Background More than 10 years have elapsed since human papillomavirus (HPV)
vaccination was implemented. We did a systematic review and meta-analysis of the …

Background Human papillomavirus (HPV) vaccination programmes were first implemented
in several countries worldwide in 2007. We did a systematic review and meta-analysis to …

Background The human immunodeficiency virus (HIV) infectiousness of anal intercourse (AI)
has not been systematically reviewed, despite its role driving HIV epidemics among men …

Summary Background The WHO Director-General has issued a call for action to eliminate
cervical cancer as a public health problem. To help inform global efforts, we modelled …

Background The extent of cross-protection is a key element in the choice of human
papillomavirus (HPV) vaccine to use in vaccination programmes. We compared the cross …

The spread of HIV-1 in Africa is examined here in the light of recent information on the main
epidemiological and behavioural determinants of transmission. Mathematical models …

Background Modelling studies have been widely used to inform human papillomavirus
(HPV) vaccination policy decisions; however, many models exist and it is not known whether …

Background: The role of iatrogenic transmission within the HIV/AIDS pandemic remains
contentious. Estimates of the risk of HIV transmission from injections and blood transfusions …