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Avian Influenza in the Republic of Korea

by 5m Editor
15 December 2003, at 12:00am

KOREA - This is a report via OIE on the suspected outbreak of highly pathogenic avian influenza.

Avian Influenza in the Republic of Korea - KOREA - This is a report via OIE on the suspected outbreak of highly pathogenic avian influenza. (Disease never reported before in the Republic of Korea).

Emergency report

Information received on 12 December 2003 from Dr Chang-Seob Kim, Chief Veterinary Officer, Animal Health Division, Ministry of Agriculture and Forestry (MAF), Gwacheon:

Date of the report: 12 December 2003.

Date of initial detection of animal health incident: 11 December 2003.

Outbreaks:

Location No. of outbreaks
Eumsung district, Chungcheong-buk province, in the central part of the country) 1 farm

Description of affected population: a parent stock farm for broilers.

Total number of animals in the outbreak:

species susceptible cases deaths destroyed slaughtered
avi 24,000* 19,000 19,000 5,000 0

* 47-week-old poultry

Diagnosis:

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

B. Diagnostic tests used: polymerase chain reaction (PCR) positive on 12 December 2003.

C. Causal agent: avian influenza virus subtype H5. The sequencing of the gene is in progress.

Epidemiology:

A. Source of agent / origin of infection: unknown. Under investigation.

B. Mode of spread: unknown.

C. Other epidemiological details:

- Migrating birds have frequently been observed in a corn field next to the affected farm.

- No clinical signs of highly pathogenic avian influenza have been detected in any other farm.

- There is only one farm within a 1-km radius of the farm where highly pathogenic avian influenza is suspected.

Control measures:

- stamping out;

- quarantine;

- zoning; movement restrictions set up within a 10-km-radius zone around the affected farm;

- vaccination is prohibited.

Source: OFFICE INTERNATIONAL DES EPIZOOTIES - 12th December 2003

5m Editor