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

OIE: Highly pathogenic avian influenza, China (People´s Rep. of)
submited by kickingbird at Feb, 10, 2009 23:43 PM from OIE

Information received on 10/02/2009 from Dr Yu Kangzhen, National Chief Veterinary Officer , Veterinary Bureau , Ministry of Agriculture , Beijing, China (People´s Rep. of)

Summary

Report type	Immediate notification
Start date	01/02/2009
Date of first confirmation of the event	10/02/2009
Report date	10/02/2009
Date submitted to OIE	10/02/2009
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	12/2008
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N1
Nature of diagnosis	Clinical, Laboratory (basic), Laboratory (advanced)
This event pertains to	the whole country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location and Affected population

XINJIANG (Zhawa, Moyu, He´tian)

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	13737	1330	519	13218	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	9.68%	3.78%	39.02%	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
Vaccination in response to the outbreak (s)

Administrative division Species Total Vaccinated Details

XINJIANG Birds 350000 Avian influenza, inactivated (Re-5)
Disinfection of infected premises/establishment(s)
Dipping / Spraying
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) (OIE’s Reference Laboratory)

Tests and results

Species	Test	Test date	Result
Birds	haemagglutination inhibition test (HIT)	10/02/2009	Positive
Birds	intravenous pathogenicity index (IVPI) test	10/02/2009	Positive
Birds	real-time PCR	10/02/2009	Positive

Future Reporting

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

See Also:

http://www.oie.int

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