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Classical Swine Fever in Republic of Korea

by 5m Editor
31 March 2003, at 12:00am

KOREA - Follow-up report No. 5 (via OIE).

See also: 10 January 2003, 6 December 2002, 25 October 2002, 18 October 2002, 11 October 2002, 31 May 2002, 3 May 2002, 19 April 2002

Information received on 21 March 2003 from Dr Hee-Woo Lee, Director, Animal Health Division, Ministry of Agriculture and Forestry (MAF), Seoul:

End of previous report period: 2 January 2003 (see Disease Information, 16 [2], 7, dated 10 January 2003).

End of this report period: 19 March 2003.

New outbreaks:

Location No. of outbreaks
Iksan city (Iksan-shi), Chonbuk Province (Chonbuk-do), in the southern part of the country 1

Description of affected population in the new outbreak: pig-fattening holding.

Total number of animals in the new outbreak:

species susceptible cases deaths destroyed slaughtered
sui 800* 34 2 798 0

* including 100 sows

Diagnosis:

A. Laboratory where diagnosis was made: National Veterinary Research and Quarantine Service, Anyang, Kyonggi.

B. Diagnostic tests used:

- direct immunofluorescence;

- NPLA(1);

- PCR(2) (5'NCR, E2, NS5B);

- antigen capture ELISA(3).

Epidemiology:

A. Source of agent / origin of infection: not yet known. Under investigation.

B. Mode of spread: unknown. Under investigation.

Control measures during reporting period:

- immediate slaughter and destruction of all pigs in the affected holding;

- quarantine of the affected holding;

- movement control of animals of susceptible species within the 3-km-radius protection zone and 10-km-radius surveillance zone, which were promptly set in place around the infected holding;

- screening;

- an emergency vaccination policy, with marking of vaccinated animals, has been introduced in the affected city and the neighbouring four counties.

(1) NPLA: neutralising peroxidase-linked assay

(2) PCR: polymerase chain reaction

(3) ELISA: enzyme-linked immunosorbent assay

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Source: OFFICE INTERNATIONAL DES EPIZOOTIES - 28th March 2003

5m Editor