OIE: Highly pathogenic avian influenza, China (People´s Rep. of)

OIE: Highly pathogenic avian influenza, China (People´s Rep. of)
submited by kickingbird at Jun, 24, 2008 8:3 AM from OIE

Information received on 20/06/2008 from Dr Zhang Zhongqiu, Deputy Director General , China Animal Disease Control Centre, Veterinary Bureau, Beijing, China (People´s Rep. of)

Summary

Report type	Immediate notification
Start date	13/06/2008
Date of first confirmation of the event	17/06/2008
Report date	20/06/2008
Date submitted to OIE	20/06/2008
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	03/2008
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N1
Nature of diagnosis	Clinical, Laboratory (advanced), Necropsy
This event pertains to	the whole country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location and Affected population

GUANGDONG (Ya Shan, Jiang´men) : ducks

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	21000	3873	3873	17127	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	18.44%	18.44%	100.00%	100.00%

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

Epidemiology

Source of the outbreak(s) or origin of infection

Unknown or inconclusive

Control measures

Measures applied	Stamping out Quarantine Movement control inside the country Screening Zoning Disinfection of infected premises/establishment(s) Dipping / Spraying No vaccination No treatment of affected animals
Measures to be applied	No other measures

Diagnostic test results

Laboratory name and type

Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (national reference laboratory for avian influenza) (National laboratory)

Tests and results

Species	Test	Test date	Result
Birds		17/06/2008	Positive
Birds	haemagglutination inhibition test (HIT)	17/06/2008	Positive
Birds	intravenous pathogenicity index (IVPI) test	17/06/2008	Positive

Future Reporting

The event is continuing. Weekly follow-up reports will be submitted.

See Also:

http://www.oie.int

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