title: The importance of core groups in the epidemiology and control of HIV-1 infection.
authors.affiliation: Department of Medical Microbiology, University of Nairobi, Kenya.
authors.forename: F A
authors.initials: FA
authors.lastname: Plummer
authors.forename: N J
authors.initials: NJ
authors.lastname: Nagelkerke
authors.forename: S
authors.initials: S
authors.lastname: Moses
authors.forename: J O
authors.initials: JO
authors.lastname: Ndinya-Achola
authors.forename: J
authors.initials: J
authors.lastname: Bwayo
authors.forename: E
authors.initials: E
authors.lastname: Ngugi
mesh_terms: D000349:Africa / Q000453:epidemiology; D015331:Cohort Studies; D015658:HIV Infections / Q000453:epidemiology* / Q000517:prevention & control / Q000635:transmission; D006801:Humans; D012725:Sexual Behavior