OIE: Highly pathogenic avian influenza(H5N5), Chinese Taipei

OIE: Highly pathogenic avian influenza(H5N5), Chinese Taipei
submited by kickingbird at Jan, 22, 2020 16:46 PM from OIE

Information received on 22/01/2020 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. 6
Date of start of the event	09/09/2019
Date of confirmation of the event	13/09/2019
Report date	22/01/2020
Date submitted to OIE	22/01/2020
Reason for notification	New strain of a listed disease in the country
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N5
Nature of diagnosis	Laboratory (advanced)
This event pertains to	a defined zone within the country
Related reports	Immediate notification (23/09/2019) Follow-up report No. 1 (14/10/2019) Follow-up report No. 2 (22/11/2019) Follow-up report No. 3 (03/01/2020) Follow-up report No. 4 (06/01/2020) Follow-up report No. 5 (13/01/2020) Follow-up report No. 6 (22/01/2020)

New outbreaks (2)

Outbreak 1 (2020-tp-2)

Wanhua District, Taipei City

Date of start of the outbreak

10/01/2020

Outbreak status

Continuing (or date resolved not provided)

Epidemiological unit

Slaughterhouse

Affected animals

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	5	1	0	5	0

Affected population

Native Chickens(2020-tp-2)

Outbreak 2 (2020-tp-3)

Wanhua District, Taipei City

Date of start of the outbreak

11/01/2020

Outbreak status

Continuing (or date resolved not provided)

Epidemiological unit

Slaughterhouse

Affected animals

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	19	1	0	19	0

Affected population

Native Chickens(2020-tp-3)

Summary of outbreaks

Total outbreaks: 2

Total animals affected

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	24	2	0	24	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	8.33%	0.00%	0.00%	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

Epidemiological comments

Suspected signs were observed in poultry carcasses during post-mortem inspection in the abattoir in Taipei City. Samples were sent to the AHRI for diagnosis. H5N5 subtype HPAI was confirmed by the AHRI. The carcasses were destroyed and thorough cleaning and disinfection have been conducted in the abattoir. After tracing back to the farm of origin, any positive results will be included in follow-up reports.

Control measures

Measures applied	Movement control inside the country Surveillance outside containment and/or protection zone Surveillance within containment and/or protection zone Traceability Quarantine Stamping out Zoning Disinfection 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	12/01/2020	Positive
Animal Health Research Institute (AHRI) (National laboratory)	Birds	gene sequencing	13/01/2020	Positive
Animal Health Research Institute (AHRI) (National laboratory)	Birds	reverse transcription - polymerase chain reaction (RT-PCR)	11/01/2020	Positive
Animal Health Research Institute (AHRI) (National laboratory)	Birds	reverse transcription - polymerase chain reaction (RT-PCR)	12/01/2020	Positive

Future Reporting

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

See Also:

https://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=33027

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