title: National Nosocomial Infections Surveillance (NNIS) report, data summary from October 1986-April 1997, issued May 1997. A report from the NNIS System.
mesh_terms: D003428:Cross Infection / Q000453:epidemiology*; D003625:Data Collection; D006801:Humans; D007362:Intensive Care Units / Q000706:statistics & numerical data*; D007363:Intensive Care Units, Neonatal / Q000706:statistics & numerical data; D008511:Medicine; D013038:Specialization; D014481:United States / Q000453:epidemiology