Index Case

First case of a disease to be identified at the start of an outbreak. The index case is the first patient that indicates the existence of an outbreak. It does not necessarily mean that it was the first case of the outbreak. Earlier cases may be found and are labelled primary case, secondary case, tertiary case, etc.

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References
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Authors European Centre for Disease Prevention and Control (ECDC)
PublicationTitle Key definitions in infectious diseases epidemiology
PublicationType Website
PublicationYear Accessed: 18.05.2019
Publisher European Centre for Disease Prevention and Control (ECDC)
Website https://wiki.ecdc.europa.eu/fem/w/wiki/1201.key-definitions-in-infectious-diseases-epidemiology
ZoteroURL https://www.zotero.org/groups/2344323/orion/items/itemKey/3UCVZH84
Glossary Term Classification
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Category Epidemiology
ModifiedDefinition false
RelatedTerm primary case
Sector Public Health
Additional Info
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Provided by: EJP ORION project
system:type GlossaryTerm
Management Info
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Author taras_guenther
Last Updated 29 April 2020, 02:19 (CEST)
Created 3 September 2019, 13:16 (CEST)