title: The basic reproduction ratio for sexually transmitted diseases: I. Theoretical considerations.
abstract: It is shown how one can calculate the basic reproduction ratio R0 for infectious disease models where an arbitrary but finite number of disease states are recognized and where the phenomena of pair formation and separation are taken into account. Several examples are discussed.
authors.affiliation: Centrum voor Wiskunde en Informatica, Amsterdam, The Netherlands.
authors.forename: O
authors.initials: O
authors.lastname: Diekmann
authors.forename: K
authors.initials: K
authors.lastname: Dietz
authors.forename: J A
authors.initials: JA
authors.lastname: Heesterbeek
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D008433:Mathematics; D008954:Models, Biological; D012747:Sexual Partners; D012749:Sexually Transmitted Diseases / Q000453:epidemiology / Q000635:transmission*