Outbreak Investigation. Best Practice/Methods Practical Reference Points. Learning Objectives. At the end of the session, the participants will be able to: List down the objectives of outbreak Describe steps in outbreak investigation
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Practical Reference Points
Is this an
It is never to late,
but it can also be more difficult
the sequence is not important !
Number of Legionella cases per week, France January 1996 – August 1997
It is not necessary to confirm all the cases
Number of Cases
Identify areas at risk,
Identify population at risk
Identify priority areas for control activities
=> Identification of sub-group(s) at risk
Example: Complementary studiesEpidemic of S. TyphimuriumJura, May-June, 1997
" The art of epidemiological reasoning is to make some reasonable conclusions
starting from imperfect data"
George W. Comstock (1915-2007)
Physician and Professor Emeritus
Johns Hopkins Bloomberg School of Public Health
Reduced morbidity and mortality