Highly pathogenic avian influenza,
Chinese Taipei
Information received on 24/05/2019 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. 134
Date of start of the event 07/01/2015
Date of confirmation of the event 11/01/2015
Report date 24/05/2019
Date submitted to OIE 24/05/2019
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)
Follow-up report No. 143 (12/08/2019)
Follow-up report No. 144 (21/08/2019)
Follow-up report No. 145 (27/08/2019)
Follow-up report No. 146 (06/09/2019)
Follow-up report No. 147 (16/09/2019)
New outbreaks (2)
Outbreak 1 (2019-pt-3) Jiadong Township, Pingtung County
Date of start of the outbreak 14/05/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 4193 40 40 4153 0
Affected population Layer Ducks(2019-pt-3)
Outbreak 2 (2019-ch-6) Zhutang Township, Changhua County
Date of start of the outbreak 17/05/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 3944 2136 2136 1808 0
Affected population Native Chickens(2019-ch-6)
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 8137 2176 2176 5961 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 26.74% 26.74% 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 Pingtung 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
  • Surveillance within containment and/or protection zone
  • Stamping out
  • Official disposal of carcasses, by-products and waste
  • Official destruction of animal products
  • Surveillance outside containment and/or protection zone
  • Quarantine
  • Traceability
  • Screening
  • Disinfection / Disinfestation
  • Movement control inside the country
  • 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 18/05/2019 Positive
Animal Health Research Institute (AHRI) (National laboratory) Birds gene sequencing 20/05/2019 Positive
Animal Health Research Institute (AHRI) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 17/05/2019 Positive
Animal Health Research Institute (AHRI) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 19/05/2019 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations