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Appendix 1 - Case Definitions
The following table displays the case definitions for zoonoses notified to the National Notifiable Diseases Surveillance System in 1999. If you are not able to access these data please e-mail cdi.editor@health.gov.au
Appendix 1g. Case definitions and ICD-10 code for notifiable diseases reported to NNDSS in 1999, zoonoses
Disease |
Case definition (NHMRC 1994) |
ICD-10 code(s) |
|---|---|---|
| Brucellosis | Isolation of Brucella species from a clinical specimen
OR a four-fold or greater change in Brucella agglutination titres or complement-fixation titres between acute and convalescent-phase serum samples at least 2 weeks apart with the tests preferably conducted in parallel at the same laboratory |
A23 |
| Hydatid infection | Positive serological test for infection with Echinococcus granulosus in a patient with clinical, radiological or sonographic evidence of hydatid disease
OR identification of Echinococcus granulosus in cyst fluid or sputum OR immunoelectrophoresis demonstrating arc 5 or three or more arcs |
A28 |
| Leptospirosis | Isolation of Leptospira species from clinical specimens
OR a four-fold or greater change in Leptospira agglutination titres or complement-fixation titres between acute and convalescent-phase serum samples at least 2 weeks apart with the tests preferably conducted in parallel at the same laboratory OR demonstration of leptospiral antigen in a clinical specimen OR a single raised Leptospira agglutination titre with a clinically compatible illness |
A27 |
| Ornithosis (Psittacosis)* | A clinically compatible illness (fever, headache, myalgia, dry cough, pneumonia)
AND a four-fold or greater rise in serum antibody titres to Chlamydia psittaci between acute and convalescent phase sera OR detection of C. psittaci by nucleic acid test OR a single high titre of IgG to C. psittaci after the onset of a clinically compatible illness and where other diseases are excluded |
A70 |
| Q fever | A four-fold or greater change in serum (CF) antibody titre to phase II antigen of Coxiella Burnetti
OR a four-fold or greater change in ELISA antibody titre to phase I or II antigens of C. Burnetti OR an IgM fluorescent antibody titre of at least 1:160 during convalescent phase of the illness (i.e.: 10 days or more after onset) |
A78 |
All definitions from Surveillance Case Definitions, National Health and Medical Research Council, March 1994, except those marked * which are draft summary definitions from the Communicable Diseases Network Australia (January 2001). Some Australian States and Territories have their own case definitions for some diseases, which may vary from those shown here.
This article was published in Communicable Diseases Intelligence Volume 25, No 4, November 2001.
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Communicable Diseases Surveillance
This issue - Vol 25, No 4, November 2001
NNDSS 1999 Annual Report
Communicable Diseases Intelligence