OIE: Highly pathogenic avian influenza, Chinese Taipei

Information received on 17/04/2019 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. 130
Date of start of the event	07/01/2015
Date of confirmation of the event	11/01/2015
Report date	16/04/2019
Date submitted to OIE	17/04/2019
Reason for notification	Recurrence of a listed disease
Date of previous occurrence	23/07/2014
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N2
Nature of diagnosis	Clinical, Laboratory (advanced)
This event pertains to	the whole country
Related reports	Immediate notification (12/01/2015) Follow-up report No. 1 (13/01/2015) Follow-up report No. 2 (15/01/2015) Follow-up report No. 3 (16/01/2015) Follow-up report No. 4 (19/01/2015) 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 (19/03/2015) Follow-up report No. 14 (25/03/2015) Follow-up report No. 15 (02/04/2015) Follow-up report No. 16 (14/04/2015) Follow-up report No. 17 (17/04/2015) Follow-up report No. 18 (24/04/2015) Follow-up report No. 19 (01/05/2015) Follow-up report No. 20 (11/05/2015) Follow-up report No. 21 (18/05/2015) Follow-up report No. 22 (29/05/2015) Follow-up report No. 23 (04/06/2015) Follow-up report No. 24 (12/06/2015) Follow-up report No. 25 (18/06/2015) Follow-up report No. 26 (07/07/2015) Follow-up report No. 27 (13/07/2015) Follow-up report No. 28 (20/07/2015) Follow-up report No. 29 (27/07/2015) Follow-up report No. 30 (31/07/2015) Follow-up report No. 31 (11/08/2015) Follow-up report No. 32 (24/08/2015) Follow-up report No. 33 (04/09/2015) Follow-up report No. 34 (02/10/2015) Follow-up report No. 35 (21/10/2015) Follow-up report No. 36 (30/10/2015) Follow-up report No. 37 (08/12/2015) Follow-up report No. 38 (04/01/2016) Follow-up report No. 39 (15/01/2016) Follow-up report No. 40 (02/02/2016) Follow-up report No. 41 (22/02/2016) Follow-up report No. 42 (07/03/2016) Follow-up report No. 43 (11/04/2016) Follow-up report No. 44 (19/04/2016) Follow-up report No. 45 (05/05/2016) Follow-up report No. 46 (20/06/2016) Follow-up report No. 47 (21/09/2016) Follow-up report No. 48 (17/10/2016) Follow-up report No. 49 (09/01/2017) Follow-up report No. 50 (06/02/2017) Follow-up report No. 51 (01/03/2017) Follow-up report No. 52 (07/03/2017) Follow-up report No. 53 (17/03/2017) Follow-up report No. 54 (20/03/2017) Follow-up report No. 55 (27/03/2017) Follow-up report No. 56 (10/04/2017) Follow-up report No. 57 (11/04/2017) Follow-up report No. 58 (01/05/2017) Follow-up report No. 59 (08/05/2017) Follow-up report No. 60 (15/05/2017) Follow-up report No. 61 (03/06/2017) Follow-up report No. 62 (07/06/2017) Follow-up report No. 63 (16/06/2017) Follow-up report No. 64 (23/06/2017) Follow-up report No. 65 (27/06/2017) Follow-up report No. 66 (03/07/2017) Follow-up report No. 67 (11/07/2017) Follow-up report No. 68 (17/07/2017) Follow-up report No. 69 (24/07/2017) Follow-up report No. 70 (31/07/2017) Follow-up report No. 71 (07/08/2017) Follow-up report No. 72 (22/08/2017) Follow-up report No. 73 (31/08/2017) Follow-up report No. 74 (05/09/2017) Follow-up report No. 75 (11/10/2017) Follow-up report No. 76 (30/10/2017) Follow-up report No. 77 (06/11/2017) Follow-up report No. 78 (13/11/2017) Follow-up report No. 79 (20/11/2017) Follow-up report No. 80 (29/11/2017) Follow-up report No. 81 (12/12/2017) Follow-up report No. 82 (29/12/2017) Follow-up report No. 83 (05/01/2018) Follow-up report No. 84 (15/01/2018) Follow-up report No. 85 (16/01/2018) Follow-up report No. 86 (23/01/2018) Follow-up report No. 87 (29/01/2018) Follow-up report No. 88 (09/02/2018) Follow-up report No. 89 (12/02/2018) Follow-up report No. 90 (23/02/2018) Follow-up report No. 91 (26/02/2018) Follow-up report No. 92 (05/03/2018) Follow-up report No. 93 (12/03/2018) Follow-up report No. 94 (20/03/2018) Follow-up report No. 95 (09/04/2018) Follow-up report No. 96 (16/04/2018) Follow-up report No. 97 (27/04/2018) Follow-up report No. 98 (01/05/2018) Follow-up report No. 99 (15/05/2018) Follow-up report No. 100 (21/05/2018) Follow-up report No. 101 (28/05/2018) Follow-up report No. 102 (04/06/2018) Follow-up report No. 103 (11/06/2018) Follow-up report No. 104 (26/06/2018) Follow-up report No. 105 (02/07/2018) Follow-up report No. 106 (12/07/2018) Follow-up report No. 107 (07/08/2018) Follow-up report No. 108 (21/08/2018) Follow-up report No. 109 (04/09/2018) Follow-up report No. 110 (10/09/2018) Follow-up report No. 111 (26/09/2018) Follow-up report No. 112 (08/10/2018) Follow-up report No. 113 (09/10/2018) Follow-up report No. 114 (29/10/2018) Follow-up report No. 115 (13/11/2018) Follow-up report No. 116 (04/12/2018) Follow-up report No. 117 (17/12/2018) Follow-up report No. 118 (25/12/2018) Follow-up report No. 119 (04/01/2019) Follow-up report No. 120 (11/01/2019) Follow-up report No. 121 (21/01/2019) Follow-up report No. 122 (28/01/2019) Follow-up report No. 123 (26/02/2019) Follow-up report No. 124 (05/03/2019) Follow-up report No. 125 (12/03/2019) Follow-up report No. 126 (18/03/2019) Follow-up report No. 127 (29/03/2019) Follow-up report No. 128 (08/04/2019) Follow-up report No. 129 (09/04/2019) Follow-up report No. 130 (16/04/2019)

New outbreaks (2)

Outbreak 1 (2019-tp-9)

Wanhua District, Taipei City

Date of start of the outbreak

24/03/2019

Outbreak status

Continuing (or date resolved not provided)

Epidemiological unit

Slaughterhouse

Affected animals

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	40	3	0	40	0

Affected population

Native Chickens(2019-tp-9)

Outbreak 2 (2019-tp-10)

Wanhua District, Taipei City

Date of start of the outbreak

26/03/2019

Outbreak status

Continuing (or date resolved not provided)

Epidemiological unit

Slaughterhouse

Affected animals

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	37	1	0	37	0

Affected population

Native Chickens(2019-tp-10)

Summary of outbreaks

Total outbreaks: 2

Total animals affected

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	77	4	0	77	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	5.19%	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 one abattoir in Taipei City. Samples were sent to the National Laboratory, Animal Health Research Institute (AHRI) for diagnosis. H5N2 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 Disinfection / Disinfestation Screening Traceability Quarantine Surveillance outside containment and/or protection zone Official destruction of animal products Official disposal of carcasses, by-products and waste Stamping out Surveillance within containment and/or protection zone 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	26/03/2019	Positive
Animal Health Research Institute (AHRI) (National laboratory)	Birds	gene sequencing	28/03/2019	Positive
Animal Health Research Institute (AHRI) (National laboratory)	Birds	reverse transcription - polymerase chain reaction (RT-PCR)	25/03/2019	Positive
Animal Health Research Institute (AHRI) (National laboratory)	Birds	reverse transcription - polymerase chain reaction (RT-PCR)	27/03/2019	Positive

Future Reporting

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