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

OIE: Highly pathogenic avian influenza, China (People´s Rep. of)
submited by kickingbird at Apr, 21, 2018 11:40 AM from OIE

Information received on 17/04/2018 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	03/04/2018
Date of confirmation of the event	16/04/2018
Report date	17/04/2018
Date submitted to OIE	19/04/2018
Reason for notification	New strain of a listed disease
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H7N9
Nature of diagnosis	Clinical, Laboratory (basic), Laboratory (advanced)
This event pertains to	a defined zone within the country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

Ningxia ( Wuzhong, Tongxin )

Total animals affected

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	13578	1200	585	12993	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	8.84%	4.31%	48.75%	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	Movement control inside the country Surveillance outside containment and/or protection zone Screening Quarantine Official destruction of animal products Official disposal of carcasses, by-products and waste Stamping out Disinfection Vaccination permitted (if a vaccine exists) No treatment of affected animals
Measures to be applied	No other measures

Diagnostic test results

Laboratory name and type

Harbin National Avian influenza Reference Laboratory ( OIE Reference Laboratory )

Tests and results

Species	Test	Test date	Result
Birds	reverse transcription - polymerase chain reaction (RT-PCR)	16/04/2018	Positive
Birds	virus isolation	16/04/2018	Positive

Future Reporting

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

See Also:

http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=26461

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