KOI HERPESVIRUS DISEASE IN SINGAPORE
Immediate notification report
Information received on 23 September 2005 from Dr Chua Sin Bin, Chief Executive Officer, Agri-food and Veterinary Authority of Singapore:
Report date: 23 September 2005.
Reason for immediate notification: emerging disease or pathogenic agent findings that are of epidemiological significance to other countries.
Precise identification of agent: koi herpesvirus.
Date of first confirmation of the event: 22 September 2005.
Date of start of the event: 22 September 2005.
Clinical disease: no.
Nature of diagnosis: advanced laboratory tests.
Details of outbreak:
First administrative division: Singapore ; Date of start of the outbreak: 22 Sept 2005; Species: pis; Number of animals in the outbreak - susceptible: 30; cases: 1; deaths: 0; destroyed: 30; slaughtered: 0
Description of affected population: koi carp imported as a trial batch of 30 fish from a new source.
Diagnosis: the entire batch was submitted to the laboratory for PCR(1) testing for koi herpesvirus.
Laboratory where diagnostic tests were performed: Animal and Plant Health Laboratory Division, Ava (Agri-food and Veterinary Authority); Species examined: pis; Diagnostic tests used: PCR(1); Date: 22 Sept 2005; Results: positive
Source of outbreak or origin of infection: legal movement.
- tracing back;
- surveillance within containment and/or buffer zone.
B. To be undertaken: surveillance outside containment and/or buffer zone.
Treatment of affected animals: no.
Other details/comments: the entire batch of affected fish was destroyed. Investigations revealed that there was no mixing with other susceptible species.
(1) PCR: polymerase chain reaction