OIE: Low pathogenic avian influenza (poultry), Korea (Rep. of)

OIE: Low pathogenic avian influenza (poultry), Korea (Rep. of)
submited by kickingbird at Nov, 27, 2007 9:0 AM from OIE

Information received on 26/11/2007 from Dr Chang-Seob Kim, Director, Animal Health Division, Livestock Bureau , Ministry of Agriculture and Forestry (MAF), SEOUL, Korea (Rep. of)

Summary

Report type	Immediate notification (Final report)
Start date	21/11/2007
Date of confirmation of event	23/11/2007
Report date	26/11/2007
Date submitted to OIE	26/11/2007
Date event resolved	26/11/2007
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	03/2007
Manifestation of disease	Sub-clinical infection
Causal agent	Low pathogenic avian influenza virus
Serotype	H7N8
Nature of diagnosis	Laboratory (basic), Laboratory (advanced)
Report pertains to	Defined zone within the country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

KWANGJU-JIKHALSI (Yongdoo-dong)

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	3800		0	3800	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible removed*
Birds	0.00%	0.00%	-	100.00%

* Removed from the susceptible population either through death, destruction or slaughter

Epidemiology

Source of infection

Unknown or inconclusive

Epidemiological comments

As part of the national serological surveillance for avian influenza in the Republic of Korea, 2007/2008, the Korean Government has conducted tests against avian influenza virus on duck-raising farms across the country.
Avian influenza virus was isolated from pooled fecal samples collected from a duck-raising farm in Kwangju-Jikhalsi, south-western part of the Republic of Korea.
The virus was proved to be low pathogenic avian influenza virus serotype H7N8, but according to the Korean avian influenza emergency action plan, 19,200 ducklings in the affected farm and the three 3 neighbouring farms were stamped out.

Control measures

Measures already applied	Screening Disinfection of infected premises/establishment(s) Quarantine Stamping out Vaccination prohibited No treatment of affected animals
Measures to be applied	None specified

Diagnostic test results

Laboratory name and type

National Veterinary Research Quarantine Service (NVRQS) (National laboratory)

Tests and results

Species	Test	Test date	Result
Birds	competitive ELISA (c-ELISA)	21/11/2007	Positive
Birds	reverse transcription – polymerase chain reaction (RT-PCR)	23/11/2007	Positive

See Also:

http://www.oie.int

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