chapter 17 surveillance and outbreak investigation Flashcards
ongoing, systematic collection,
analysis, interpretation and dissemination of
health data for us in public heath
disease surveillance
purposes of surveillance
-identify trends
-set priorities for resources
-develop and evaluate programs
data sources for mortality
-vital statistics
-neonatal vital statistics system
data sources for morbidity
-notifiable disease reports
-hospital discharge reports
-billing data
-outpatient health care data
-disease registries
-injury surveillance systems
-environmental surveys
-sentinel surveillance surveys
when did the National Notifiable Disease Surveillance System start
1997
4 types surveillance systems
-passive
-active
-sentinel
-special
4 types surveillance systems
-passive
-active
-sentinel
-special
type surveillance system: reported to health departments
passive
type surveillance system: investigation
active
type surveillance system: monitoring trends in commonly occurring diseases
sentinel
type surveillance system: syndromic surveillance system
special
usual presence of disease or event
endemic
persistently high usual number of cases
hyperendemic
irregular pattern at irregular intervals
sporadic
increased number of cases than expected in the area
outbreak
