title: Sexual risk behaviour and infection: epidemiological considerations.
authors.affiliation: Division of STD Prevention, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA. soa1@cdc.gov
authors.forename: S O
authors.initials: SO
authors.lastname: Aral
mesh_terms: D006801:Humans; D012107:Research Design; D012309:Risk-Taking; D012747:Sexual Partners; D012749:Sexually Transmitted Diseases / Q000453:epidemiology* / Q000635:transmission; D013997:Time Factors; D047568:Unsafe Sex