OIE: Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds), China (People´s Rep. of)

Information received on 18/01/2017 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	01/01/2017
Date of confirmation of the event	16/01/2017
Report date	18/01/2017
Date submitted to OIE	18/01/2017
Reason for notification	New strain of a listed disease
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic influenza A virus
Serotype	H5N8
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

HUBEI ( Wuhan )

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Black Swan:Anatidae (Cygnus atratus)	314	99	99	215	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Black Swan:Anatidae (Cygnus atratus)	31.53%	31.53%	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
Epidemiological comments	Local poultry was visited, no abnormal event was found.

Control measures

Measures applied	Disinfection / Disinfestation Stamping out Control of wildlife reservoirs 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

Species	Test	Test date	Result
Black Swan	reverse transcription - polymerase chain reaction (RT-PCR)	16/01/2017	Positive

Future Reporting

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