Abstract

Koi herpesvirus disease in Singapore

OIE
WAHIS - WOAH Disease Information (on-line)
18
39
2005
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.

Control measures:
A. Undertaken:

- quarantine;
- 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
WOAH