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Highly Pathogenic Avian Influenza in the Republic of Korea

by 5m Editor
16 February 2004, at 12:00am

KOREA - This is a Follow-up report (No. 2) via OIE on the recent outbreak of Avian Influenza in Korea

Highly Pathogenic Avian Influenza in the Republic of Korea - KOREA - This is a Follow-up report (No. 2) via OIE on the recent outbreak of Avian Influenza in Korea.

See also: 19 December 2003, 12 December 2003

Information received on 7 February 2004 from Dr Chang-Seob Kim, Chief Veterinary Officer, Animal Health Division, Ministry of Agriculture and Forestry (MAF), Gwacheon:

End of previous report period: 16 December 2003 (see Disease Information, 16 [51], 276, dated 19 December 2003).

End of this report period: 6 February 2004.

New outbreaks:

Location No. of outbreaks
Chnonam Province, Naju city 1
Chungbuk Province, Eumsung district 3
Chungbuk Province, Jincheon district 1
Chungnam Province, Cheonan city 5
Chungnam Province, Asan city 1
Kyongbuk Province, Kyongju city 2
Kyonggi Province, Icheon city 1
Kyongnam Province, Yangsan city 1
Ulsan Metropolitan, Ulju district 1
Total 16

Description of affected population in the new outbreaks: 8 duck farms, 7 chicken farms, and 1 chicken-and-duck mixed farm.

Total number of animals in the new outbreaks:

species susceptible cases deaths destroyed slaughtered
avi 348,418 ... 57,176 291,242 0

Diagnosis:

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

B. Diagnostic tests used: polymerase chain reaction (PCR) and haemagglutination inhibition test.

C. Causal agent: avian influenza virus subtype H5N1.

Epidemiology:

A. Source of agent / origin of infection: unknown; under investigation.

B. Mode of spread: unknown; under investigation.

Control measures during reporting period:

- Every duck or chicken within a 3-km radius of the affected farms was culled.

- Movement restrictions were applied to the affected farms, relevant hatcheries and other farms within a 10-km radius of the affected farms.

- Movement restrictions on poultry, feed, manure, egg trays and instruments.

- Disinfection and extensive surveillance was performed around the farms within a 10-km radius of the affected farms.

- Dead and killed poultry were buried.

- Eggs within a 3-km radius of the affected farms were destroyed.

- Screening.

Vaccination is prohibited.

Source: Office International des Epizooties - 13th February 2004

5m Editor