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

OIE: Highly pathogenic avian influenza, China (People´s Rep. of)
submited by kickingbird at Jul, 28, 2015 10:16 AM from OIE

Information received on 22/07/2015 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	12/09/2014
Date of confirmation of the event	15/09/2014
Report date	22/07/2015
Date submitted to OIE	22/07/2015
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	01/05/2014
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N1
Nature of diagnosis	Clinical, Laboratory (basic), Laboratory (advanced)
This event pertains to	a defined zone within the country
Related reports	Immediate notification (24/10/2014) Follow-up report No. 1 (09/01/2015) Follow-up report No. 2 (16/01/2015) Follow-up report No. 3 (01/04/2015) Follow-up report No. 4 (19/06/2015) Follow-up report No. 5 (17/07/2015) Follow-up report No. 6 (22/07/2015)

New outbreaks (2)

Outbreak 1

Galongcuo bird island, Anduo, Naqu, TIBET

Date of start of the outbreak

11/05/2015

Outbreak status

Continuing (or date resolved not provided)

Epidemiological unit

Not applicable

Affected animals

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Bar-headed Goose:Anser indicus(Anatidae)			415	0	0

Affected population

There were 415 wild birds dead, including brown-headed gulls and bar-headed geese.

Outbreak 2

Shuangheer wetland, Kezuohouqi, Tongliao, INNER MONGOLIA

Date of start of the outbreak

11/05/2015

Outbreak status

Continuing (or date resolved not provided)

Epidemiological unit

Natural park

Affected animals

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Black-necked Grebe:Podiceps nigricollis(Podicipedidae)			300	0	0

Summary of outbreaks

Total outbreaks: 2

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Bar-headed Goose:Anser indicus(Anatidae)		**	415	0	0
Black-necked Grebe:Podiceps nigricollis(Podicipedidae)		**	300	0	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Bar-headed Goose:Anser indicus(Anatidae)	**	**	**	**
Black-necked Grebe:Podiceps nigricollis(Podicipedidae)	**	**	**	**

*Removed from the susceptible population through death, destruction and/or slaughter

**Not calculated because of missing information

Epidemiology

Source of the outbreak(s) or origin of infection

Unknown or inconclusive

Control measures

Measures applied	Vaccination prohibited 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)	Bar-headed Goose	reverse transcription - polymerase chain reaction (RT-PCR)	29/05/2015	Positive
Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (OIE Reference Laboratory)	Bar-headed Goose	virus isolation	29/05/2015	Positive
Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (OIE Reference Laboratory)	Black-necked Grebe	reverse transcription - polymerase chain reaction (RT-PCR)	29/05/2015	Positive
Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (OIE Reference Laboratory)	Black-necked Grebe	virus isolation	29/05/2015	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/Reviewreport/Review?page_refer=MapFullEventReport&reportid=18187

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