OIE: Highly pathogenic avian influenza, China (People´s Rep. of), (Follow-up report No. 5)

OIE: Highly pathogenic avian influenza, China (People´s Rep. of), (Follow-up report No. 5)
submited by kickingbird at Feb, 9, 2015 23:49 PM from OIE

Information received on 06/02/2015 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. 5
Date of start of the event	23/08/2014
Date of pre-confirmation of the event	01/09/2014
Report date	06/02/2015
Date submitted to OIE	06/02/2015
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	04/05/2014
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N6
Nature of diagnosis	Clinical, Laboratory (basic), Laboratory (advanced)
This event pertains to	a defined zone within the country
Related reports	Immediate notification (01/09/2014) Follow-up report No. 1 (04/09/2014) Follow-up report No. 2 (24/10/2014) Follow-up report No. 3 (23/01/2015) Follow-up report No. 4 (28/01/2015) Follow-up report No. 5 (06/02/2015)

New outbreaks (1)

Outbreak 1

Farm, Heshan District, Yiyang City, HUNAN

Date of start of the outbreak

02/02/2015

Outbreak status

Continuing (or date resolved not provided)

Epidemiological unit

Farm

Affected animals

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	7476	3400	2600	4876	0

Summary of outbreaks

Total outbreaks: 1

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	7476	3400	2600	4876	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	45.48%	34.78%	76.47%	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 Disinfection of infected premises/establishment(s) 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抯 Reference Laboratory)	Birds	reverse transcription - polymerase chain reaction (RT-PCR)	06/02/2015	Positive
Harbin veterinary research institute, Chinese academy of agricultural sciences (OIE抯 Reference Laboratory)	Birds	virus isolation	06/02/2015	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/Diseaseinformation/WI

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