Taiwan - 1 new outbreak of highly pathogenic avian influenza H5N5 in poultry carcasses in slaughterhouse, New Taipei City (OIE, September 29, 2020)

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[TD="align: left"]Highly pathogenic avian influenza,
Chinese Taipei[/TD]
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[TD]Information received on 29/09/2020 from Dr Wen-Jane Tu, Chief Veterinary Officer, Director General, Bureau of Animal and Plant Health Inspection and Quarantine, Council of Agriculture, Executive Yuan, Taipei, Chinese Taipei[/TD]
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[TD]Summary

[TD="width: 10%"]Report type[/TD]
[TD="width: 30%"]Follow-up report No. 24[/TD]

[TD="width: 10%"]Date of start of the event[/TD]
[TD="width: 30%"]09/09/2019[/TD]

[TD="width: 10%"]Date of confirmation of the event[/TD]
[TD="width: 30%"]13/09/2019[/TD]

[TD="width: 10%"]Report date[/TD]
[TD="width: 30%"]29/09/2020[/TD]

[TD="width: 10%"]Date submitted to OIE[/TD]
[TD="width: 30%"]29/09/2020[/TD]

[TD="width: 10%"]Reason for notification[/TD]
[TD="width: 30%"]New strain of a listed disease in the country[/TD]

[TD="width: 10%"]Causal agent[/TD]
[TD="width: 30%"]Highly pathogenic avian influenza virus[/TD]

[TD="width: 10%"]Serotype[/TD]
[TD="width: 30%"]H5N5[/TD]

[TD="width: 10%"]Nature of diagnosis[/TD]
[TD="width: 30%"]Laboratory (advanced)[/TD]

[TD="width: 10%"]This event pertains to[/TD]
[TD="width: 30%"]a defined zone within the country[/TD]

[TD="width: 10%"]Related reports[/TD]
[TD="width: 30%"] 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) Follow-up report No. 7 (10/02/2020) Follow-up report No. 8 (20/02/2020) Follow-up report No. 9 (03/03/2020) Follow-up report No. 10 (10/03/2020) Follow-up report No. 11 (27/03/2020) Follow-up report No. 12 (07/04/2020) Follow-up report No. 13 (21/04/2020) Follow-up report No. 14 (11/05/2020) Follow-up report No. 15 (18/05/2020) Follow-up report No. 16 (01/06/2020) Follow-up report No. 17 (30/06/2020) Follow-up report No. 18 (10/08/2020) Follow-up report No. 19 (17/08/2020) Follow-up report No. 20 (21/08/2020) Follow-up report No. 21 (31/08/2020) Follow-up report No. 22 (07/09/2020) Follow-up report No. 23 (21/09/2020) Follow-up report No. 24 (29/09/2020) [/TD]

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[TD]New outbreaks (1)[/TD]
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Taishan District, New Taipei City
Date of start of the outbreak	12/09/2020
Outbreak status	Continuing (or date resolved not provided)
Epidemiological unit	Slaughterhouse
Affected animals	Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 1 1 0 1 0
Affected population	Native chickens(2020-ntpc-1)

[TD="align: left"]Outbreak 1 (2020-ntpc-1)[/TD]

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Total outbreaks: 1
Total animals affected	Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 1 1 0 1 0
Outbreak statistics	Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 100.00% 0.00% 0.00% 100.00%

[TD="align: left"]Summary of outbreaks[/TD]

[TD="colspan: 2"]*Removed from the susceptible population through death, destruction and/or slaughter[/TD]

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[TD]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 New 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.

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[TD]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

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[TD]Diagnostic test results

Laboratory name and type	Species	Test	Test date	Result
Animal Health Research Institute (AHRI) (National laboratory)	Birds	gene sequencing	14/09/2020	Positive
Animal Health Research Institute (AHRI) (National laboratory)	Birds	reverse transcription - polymerase chain reaction (RT-PCR)	13/09/2020	Positive

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[TD]Future Reporting

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

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https://www.oie.int/wahis_2/public/...?page_refer=MapFullEventReport&reportid=35877