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

OIE: Highly pathogenic avian influenza ,China (People´s Rep. of)
submited by kickingbird at Dec, 24, 2013 0:24 AM from OIE

Information received on 21/12/2013 from Dr Zhang Zhongqiu, Director General , China Animal Disease Control Centre, Veterinary Bureau, Ministry of Agriculture, Beijing, China (People´s Rep. of)

Summary

Report type	Immediate notification
Date of start of the event	21/12/2013
Date of pre-confirmation of the event	21/12/2013
Report date	21/12/2013
Date submitted to OIE	21/12/2013
Reason for notification	New strain of a listed disease
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N2
Nature of diagnosis	Suspicion, Clinical, Laboratory (basic), Laboratory (advanced)
This event pertains to	the whole country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

HEBEI ( Zhuzhuang village, Jiaozhuang, Baoding )

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	129700	4000	4000	125700	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	3.08%	3.08%	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 ( OIE’s Reference Laboratory )

Tests and results

Species	Test	Test date	Result
Birds	haemagglutination inhibition test (HIT)	21/12/2013	Positive
Birds	reverse transcription - polymerase chain reaction (RT-PCR)	21/12/2013	Positive
Birds	virus isolation	21/12/2013	Positive

Future Reporting

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

See Also:

http://www.oie.int

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