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

Information received on 29/09/2018 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	07/09/2018
Date of confirmation of the event	29/09/2018
Report date	29/09/2018
Date submitted to OIE	30/10/2018
Reason for notification	Recurrence of a listed disease
Date of previous occurrence	23/10/2017
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N6
Nature of diagnosis	Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to	a defined zone within the country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

Guizhou ( Xinmin Village, Huishui, Buyi and Miao Autonomous Prefecture of QianNan )

Total animals affected

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	37299	5297	4948	32351	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	14.20%	13.27%	93.41%	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 Traceability Quarantine Official destruction of animal products Official disposal of carcasses, by-products and waste Stamping out Zoning Disinfection Vaccination prohibited 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

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Species	Test	Test date	Result
Birds	reverse transcription - polymerase chain reaction (RT-PCR)	29/09/2018	Positive