▁blood stream , ▁ur inary ▁tract , ▁p neum onia , ▁surg ical ▁sites ▁and ▁g astro enter itis . ▁ ▁Sur ve ill ance ▁tradition ally ▁involved ▁significant ▁manual ▁data ▁assess ment ▁and ▁entry ▁in ▁order ▁to ▁assess ▁prevent ative ▁actions ▁such ▁as ▁isol ation ▁of ▁patients ▁with ▁an ▁inf ect ious ▁disease . ▁In cre asing ly , ▁computer ized ▁software ▁solutions ▁are ▁becoming ▁available ▁that ▁assess ▁incoming ▁risk ▁messages ▁from ▁micro bi ology ▁and ▁other ▁online ▁sources . ▁By ▁reducing ▁the ▁need ▁for ▁data ▁entry , ▁software ▁can ▁reduce ▁the ▁data ▁work load ▁of ▁I CP s , ▁free ing ▁them ▁to ▁concent rate ▁on ▁clin ical ▁surve ill ance . ▁ ▁As ▁of ▁ 1 9 9 8 , ▁approximately ▁one ▁third ▁of ▁health care ▁acquired ▁in fe ctions ▁were ▁prevent able . ▁Sur ve ill ance ▁and ▁prevent ative ▁activities ▁are ▁increasing ly ▁a ▁priority ▁for ▁hospital ▁staff . ▁The ▁Study ▁on ▁the ▁E ffic acy ▁of ▁N oso com ial ▁In fection ▁Control ▁( S EN IC ) ▁project ▁by ▁the ▁U . S . ▁CD C ▁found ▁in ▁the ▁ 1 9 7 0 s ▁that ▁hosp it als ▁reduced ▁their ▁nos o com ial ▁in fection ▁rates ▁by ▁approximately ▁ 3 2 ▁per ▁cent ▁by ▁foc using ▁on ▁surve ill ance ▁activities ▁and ▁prevent ion ▁efforts . ▁ ▁Is olation ▁and ▁quar antine ▁ ▁In ▁ ▁health care ▁facilities , ▁medical ▁isol ation ▁refers ▁to ▁various ▁physical ▁measures ▁taken ▁to ▁interrupt ▁nos o com ial