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2019-10-19 21:41:00


OIE: Highly pathogenic avian influenza, Chinese Taipei
submited by kickingbird at Aug, 7, 2019 10:3 AM from OIE

Information received on 06/08/2019 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. 142
Date of start of the event 07/01/2015
Date of confirmation of the event 11/01/2015
Report date 06/08/2019
Date submitted to OIE 06/08/2019
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)
Follow-up report No. 131 (26/04/2019)
Follow-up report No. 132 (30/04/2019)
Follow-up report No. 133 (14/05/2019)
Follow-up report No. 134 (24/05/2019)
Follow-up report No. 135 (29/05/2019)
Follow-up report No. 136 (18/06/2019)
Follow-up report No. 137 (25/06/2019)
Follow-up report No. 138 (03/07/2019)
Follow-up report No. 139 (09/07/2019)
Follow-up report No. 140 (17/07/2019)
Follow-up report No. 141 (29/07/2019)
Follow-up report No. 142 (06/08/2019)
New outbreaks (4)
Outbreak 1 (2019-yl-26) Dongshi Township, Yunlin County
Date of start of the outbreak 18/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 23230 517 517 22713 0
Affected population Native Chickens(2019-yl-26)
Outbreak 2 (2019-yl-27) Dongshi Township, Yunlin County
Date of start of the outbreak 18/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 13227 847 847 12380 0
Affected population Native Chickens(2019-yl-27)
Outbreak 3 (2019-yl-28) Mailiao Township, Yunlin County
Date of start of the outbreak 20/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 4832 2192 2192 2640 0
Affected population Native Chickens(2019-yl-28)
Outbreak 4 (2019-ch-12) Dacheng Township, Changhua County
Date of start of the outbreak 22/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 9675 1919 1919 7756 0
Affected population Layer Hens(2019-ch-12)
Summary of outbreaks Total outbreaks: 4
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 50964 5475 5475 45489 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 10.74% 10.74% 100.00% 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 Samples from Yunlin County and Changhua County were sent to the National Laboratory, Animal Health Research Institute (AHRI) for diagnosis. Highly pathogenic avian influenza H5N2 subtype was confirmed by AHRI. The infected 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 farms are under intensified surveillance for three months.
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 21/07/2019 Positive
Animal Health Research Institute (AHRI) (National laboratory) Birds gene sequencing 24/07/2019 Positive
Animal Health Research Institute (AHRI) (National laboratory) Birds gene sequencing 25/07/2019 Positive
Animal Health Research Institute (AHRI) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 20/07/2019 Positive
Animal Health Research Institute (AHRI) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 23/07/2019 Positive
Animal Health Research Institute (AHRI) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 24/07/2019 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
See Also: Latest news in those days:

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