OIE: Highly pathogenic avian influenza,Chinese Taipei(H5N8)

OIE: Highly pathogenic avian influenza,Chinese Taipei(H5N8)
submited by kickingbird at Mar, 7, 2017 15:10 PM from OIE

Information received on 07/03/2017 from Dr Tai-Hwa Shih, Chief Veterinary Officer, Deputy Director General, Bureau of Animal and Plant Health Inspection and Quarantine Council of Agriculture Executive Yuan, Ministry of Agriculture, Taipei, Chinese Taipei

Summary

Report type	Follow-up report No. 33
Date of start of the event	08/01/2015
Date of confirmation of the event	11/01/2015
Report date	07/03/2017
Date submitted to OIE	07/03/2017
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	23/07/2014
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N8
Nature of diagnosis	Clinical, Laboratory (advanced)
This event pertains to	a defined zone within the country
Related reports	Immediate notification (11/01/2015) Follow-up report No. 1 (13/01/2015) Follow-up report No. 2 (14/01/2015) Follow-up report No. 3 (16/01/2015) Follow-up report No. 4 (20/01/2015) Follow-up report No. 5 (21/01/2015) Follow-up report No. 6 (28/01/2015) Follow-up report No. 7 (04/02/2015) Follow-up report No. 8 (11/02/2015) Follow-up report No. 9 (17/02/2015) Follow-up report No. 10 (26/02/2015) Follow-up report No. 11 (04/03/2015) Follow-up report No. 12 (12/03/2015) Follow-up report No. 13 (24/04/2015) Follow-up report No. 14 (01/05/2015) Follow-up report No. 15 (12/05/2015) Follow-up report No. 16 (18/05/2015) Follow-up report No. 17 (29/05/2015) Follow-up report No. 18 (07/07/2015) Follow-up report No. 19 (11/08/2015) Follow-up report No. 20 (04/09/2015) Follow-up report No. 21 (08/12/2015) Follow-up report No. 22 (04/01/2016) Follow-up report No. 23 (02/02/2016) Follow-up report No. 24 (22/02/2016) Follow-up report No. 25 (07/03/2016) Follow-up report No. 26 (11/04/2016) Follow-up report No. 27 (19/04/2016) Follow-up report No. 28 (05/05/2016) Follow-up report No. 29 (22/07/2016) Follow-up report No. 30 (08/12/2016) Follow-up report No. 31 (23/12/2016) Follow-up report No. 32 (09/01/2017) Follow-up report No. 33 (07/03/2017)

New outbreaks (2)

Outbreak 1 (2017-pt-1)

Zhutian Township, PINGTUNG COUNTY

Date of start of the outbreak

22/02/2017

Outbreak status

Continuing (or date resolved not provided)

Epidemiological unit

Farm

Affected animals

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	2255		0	2255	0

Affected population

Ducks (2017-pt-1)

Outbreak 2 (2017-ks-1)

Shanlin District, KAOHSIUNG CITY

Date of start of the outbreak

22/02/2017

Outbreak status

Continuing (or date resolved not provided)

Epidemiological unit

Farm

Affected animals

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	5613		0	5613	0

Affected population

Ducks (2017-ks-1)

Summary of outbreaks

Total outbreaks: 2

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	7868	**	0	7868	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	**	0.00%	**	100.00%

*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

Epidemiological comments

Samples from two poultry farms in Pingtung County and Kaohsiung City were sent to the National Laboratory, Animal Health Research Institute (AHRI) for analysis in response to the testing requirement before being put on the market. Highly pathogenic avian influenza H5N8 subtype was confirmed by AHRI. The farms have been placed under movement restriction. All animals on the infected farms have been culled. Thorough cleaning and disinfection have been conducted after stamping out operation. Surrounding poultry farms within 3 km radius of the infected farm are under intensified surveillance for three months.

Control measures

Measures applied	Movement control inside the country Screening Disinfection / Disinfestation Quarantine Stamping out Zoning 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
Animal Health Research Institute (AHRI) (National laboratory)	Birds	gene sequencing	27/02/2017	Positive
Animal Health Research Institute (AHRI) (National laboratory)	Birds	reverse transcription - polymerase chain reaction (RT-PCR)	26/02/2017	Positive

Future Reporting

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

See Also:

http://www.oie.int

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