Australian national notifiable diseases case definitions
Chikungunya surveillance case definition - V1.0
This document contains the case definitions for chikungunya. This definition should be used to determine whether a case should be notified to the National Notifiable Diseases Surveilance System.
Communicable Diseases Surveillance
Printable PDF version of Chikungunya case definition (PDF 11 KB)
Version |
Status |
Last reviewed |
Endorsement date |
Implementation date |
|---|---|---|---|---|
| 1.0 | Initial CDNA case definition | CDWG 4 November 2009 | CDNA 12 May 2010 | 1 July 2010 |
Reporting
Only confirmed cases should be notified.Confirmed case
A confirmed case requires laboratory definitive evidenceLaboratory definitive evidence
1. Isolation of chikungunya virusOR
2. Detection of chikungunya virus by nucleic acid testing
OR
3. Seroconversion or a significant rise in antibody level or a fourfold or greater rise in titre to chikungunya virus, in the absence of a corresponding change in antibody levels to Ross River virus and Barmah Forest virus
OR
4. Detection of chikungunya virus-specific IgM, in the absence of IgM to Ross River virus and Barmah Forest virus
Confirmation of laboratory results by a second arbovirus reference laboratory is required in the absence of travel history to areas with known endemic or epidemic activity.
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