title: AIDS and HIV infection in Costa Rica--a country in transition.
authors.affiliation: Department of Microbiology, University of Costa Rica.
authors.forename: L
authors.initials: L
authors.lastname: Mata
authors.forename: G
authors.initials: G
authors.lastname: Herrera
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology* / Q000517:prevention & control; D001782:Blood Donors; D003364:Costa Rica; D004196:Disease Outbreaks / Q000517:prevention & control; D005260:Female; D006678:HIV / Q000472:pathogenicity*; D006679:HIV Seropositivity / Q000453:epidemiology; D006467:Hemophilia A / Q000150:complications; D006716:Homosexuality; D006801:Humans; D007223:Infant; D008297:Male; D011446:Prospective Studies