Health surveillance is the continuous, systematic collection, analysis and interpretation of health related ..............

1. HEALTH SURVEILLANCE

2.  Surveillance means supervision or close watch especially on
suspected person.
 Epidemiological surveillance means close vigilance on
occurrence and distribution of disease and health related
problems, population dynamics, community behavior and
environmental processes resulting in increased risk of ill health
in the community

3. It involves identification of missed and suspected cases, and
contacts , their confirmation of laboratory investigations,
identifying sources of infection and channels of transmission
 It can be done in following levels;
A.Individual/family surveillance
B.Community/local population surveillance
C.National Level
D.International Level

4. Surveillance Process
1.Collection of Relevant information about the disease under
surveillance
 Collection of routine reporting of cases and deaths recorded at health centers,
dispensaries, and hospitals
 Epidemiological Investigations: investigating and reporting cases more than
usual
 Sentinal centers: are hospitals, health centers which are identified for collecting
information for selected cases
 Special sample survey
2.Compilation and analysis of data
Reporting of data and providing feed back

5. ThankYou