National Healthcare Safety Network (NHSN) Report, data summary for 2006, issued June 2007.

This report is a summary of device-associated in­ fections data collected and reportedbyhospitals partici­ pating in the National Healthcare Safety Network (NHSN) from January through December 2006. This report updates previously published data from the National Nosocomial Infections Surveillance (NNIS) system. The NHSN was established in 2005 to integrate and supersede 3 legacy surveillance systems at the Centers for Disease Control and Prevention (CDC): the NNIS sys­ tem, the Dialysis Surveillance Network (DSN), and the National Surveillance of Healthcare Workers (NaSH). Similar to the NNIS system, NHSN facilities voluntarily report their healthcare-associated infection (HAI) sur­ veillance data for aggregation into a single national da­ tabase for the following purposes: