OIE: Low pathogenic avian influenza (poultry), Chinese Taipei

OIE: Low pathogenic avian influenza (poultry), Chinese Taipei
submited by kickingbird at Jul, 9, 2019 10:15 AM from OIE

Information received on 08/07/2019 from Dr Wen-Jane Tu, Chief Veterinary Officer, Deputy Director General, Bureau of Animal and Plant Health Inspection and Quarantine, Council of Agriculture, Executive Yuan, Taipei, Chinese Taipei

Summary

Report type	Follow-up report No. 10
Date of start of the event	12/01/2015
Date of confirmation of the event	14/01/2015
Report date	08/07/2019
Date submitted to OIE	08/07/2019
Reason for notification	Recurrence of a listed disease
Date of previous occurrence	2014
Manifestation of disease	Clinical disease
Causal agent	Low pathogenic avian influenza virus
Serotype	H5N2
Nature of diagnosis	Clinical, Laboratory (advanced)
This event pertains to	a defined zone within the country
Related reports	Immediate notification (22/04/2015) Follow-up report No. 1 (12/05/2015) Follow-up report No. 2 (27/07/2015) Follow-up report No. 3 (23/11/2015) Follow-up report No. 4 (03/03/2016) Follow-up report No. 5 (01/05/2017) Follow-up report No. 6 (16/06/2017) Follow-up report No. 7 (26/07/2018) Follow-up report No. 8 (26/09/2018) Follow-up report No. 9 (13/05/2019) Follow-up report No. 10 (08/07/2019)

New outbreaks (2)

Outbreak 1 (2017-pt-4)

Fangliao Township, Pingtung County

Date of start of the outbreak

13/04/2017

Outbreak status

Resolved (20/07/2018)

Epidemiological unit

Farm

Affected animals

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	35000		0	0	35000

Affected population

Layer Hens(2017-pt-4)

Outbreak 2 (2017-yl-5)

Yuanchang Township, Yunlin County

Date of start of the outbreak

08/12/2017

Outbreak status

Resolved (20/07/2018)

Epidemiological unit

Farm

Affected animals

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	9564		64	0	9500

Affected population

Native Chickens(2017-yl-5)

Summary of outbreaks

Total outbreaks: 2

Total animals affected

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	44564	**	64	0	44500

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	**	0.14%	**	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 Pingtung County and Yunlin County were sent to the National Laboratory, Animal Health Research Institute (AHRI) for diagnosis. H5N2 subtype avian influenza was confirmed by AHRI. The infected farms were placed under movement restrictions. The pathogenicity of the virus was subsequently confirmed by the AHRI as low pathogenic (less than 75% mortality of the tested chickens) on 27 June 2019. Surrounding poultry farms within 3 km radius of the infected farms were placed under intensified surveillance for three months.

Control measures

Measures applied	Movement control inside the country Screening Quarantine 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	inoculation test	27/06/2019	Negative

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=30964

Latest news in those days:

[Go Top] [Close Window]