OIE: Highly pathogenic avian influenza, China (People´s Rep. of), (Follow-up report No. 6)

OIE: Highly pathogenic avian influenza, China (People´s Rep. of), (Follow-up report No. 6)
submited by kickingbird at Aug, 16, 2015 11:5 AM from OIE

Information received on 14/08/2015 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	Follow-up report No. 6
Date of start of the event	21/12/2013
Date of confirmation of the event	21/12/2013
Report date	14/08/2015
Date submitted to OIE	14/08/2015
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	Clinical, Laboratory (basic), Laboratory (advanced)
This event pertains to	the whole country
Related reports	Immediate notification (21/12/2013) Follow-up report No. 1 (20/01/2014) Follow-up report No. 2 (28/02/2014) Follow-up report No. 3 (24/10/2014) Follow-up report No. 4 (28/01/2015) Follow-up report No. 5 (01/04/2015) Follow-up report No. 6 (14/08/2015)

New outbreaks (1)

Outbreak 1

Farm, Jiangdu District, Yangzhou, JIANGSU

Date of start of the outbreak

03/08/2015

Outbreak status

Continuing (or date resolved not provided)

Epidemiological unit

Farm

Affected animals

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	53358	23395	3106	50252	0

Affected population

Geese

Summary of outbreaks

Total outbreaks: 1

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	53358	23395	3106	50252	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	43.85%	5.82%	13.28%	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 Disinfection / Disinfestation Stamping out Zoning No vaccination No treatment of affected animals
Measures to be applied	No other measures

Diagnostic test results

Laboratory name and type	Species	Test	Test date	Result
Harbin veterinary research institute, Chinese academy of agricultural sciences (OIE Reference Laboratory)	Birds	reverse transcription - polymerase chain reaction (RT-PCR)	11/08/2015	Positive
Harbin veterinary research institute, Chinese academy of agricultural sciences (OIE Reference Laboratory)	Birds	virus isolation	11/08/2015	Positive

Future Reporting

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

See Also:

http://www.oie.int

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