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HIV fall in Zimbabwe due to deaths and behaviour change, not migration

Behaviour change programmes have had little impact on HIV incidence amongst girls and women in poorer countries

HIV prevention studies for young people in Africa often of poor quality and show limited effect

Prevention programmes during HIV clinic visits cut risky sex

Popular opinion leaders add no benefit to intensive HIV prevention

Having older sexual partners increases HIV risk for younger gay men

Tanzania: education crucial to lowering HIV prevalence

Hitler safe sex ad condemned as stigmatising

Serosorting and 'strategic positioning' used by HIV-positive US gay men to reduce HIV transmission risks, shows meta-analysis