Highly pathogenic avian influenza,
Chinese Taipei
Information received on 02/02/2016 from Dr Tai-Hwa Shih , Chief Veterinary Officer, Deputy Director General, Bureau of Animal and Plant Health Inspection and Quarantine, Council of Agriculture Executive Yuan, Taipei 10070, Chinese Taipei
Summary
Report type Follow-up report No. 40
Date of start of the event 07/01/2015
Date of confirmation of the event 11/01/2015
Report date 02/02/2016
Date submitted to OIE 02/02/2016
Date event resolved 17/03/2020
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 a defined zone within the 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)
Follow-up report No. 148 (18/09/2019)
Follow-up report No. 149 (25/09/2019)
Follow-up report No. 150 (14/10/2019)
Follow-up report No. 151 (28/10/2019)
Follow-up report No. 152 (12/11/2019)
Follow-up report No. 153 (22/11/2019)
Follow-up report No. 154 (29/11/2019)
Follow-up report No. 155 (10/12/2019)
Follow-up report No. 156 (13/12/2019)
Follow-up report No. 157 (03/01/2020)
Follow-up report No. 158 (06/01/2020)
Follow-up report No. 159 (13/01/2020)
Follow-up report No. 160 (20/01/2020)
Follow-up report No. 161 (22/01/2020)
Follow-up report No. 162 (05/02/2020)
Follow-up report No. 163 (12/02/2020)
Follow-up report No. 164 (20/02/2020)
Follow-up report No. 165 (03/03/2020)
Follow-up report No. 166 (10/03/2020)
Follow-up report No. 167 (27/03/2020)
Follow-up report No. 168 (22/06/2020)
New outbreaks (4)
Outbreak 1 (ty-2016-1) Yangmei District, Taoyuan City
Date of start of the outbreak 01/01/2016
Outbreak status Resolved (15/01/2016)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 7530 625 625 6905 0
Affected population Ducks (ty-2016-1)
Outbreak 2 (tn-2016-1) Houbi District, Tainan City
Date of start of the outbreak 11/01/2016
Outbreak status Resolved (14/01/2016)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 23000 14160 14160 8840 0
Affected population Ducks (tn-2016-1)
Outbreak 3 (tn-2016-2) Houbi District, Tainan City
Date of start of the outbreak 11/01/2016
Outbreak status Resolved (14/01/2016)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 3000 1829 1829 1171 0
Affected population Ducks (tn-2016-2)
Outbreak 4 (tn-2016-3) Madou District, Tainan City
Date of start of the outbreak 15/01/2016
Outbreak status Resolved (19/01/2016)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1100 673 673 427 0
Affected population Geese (tn-2016-3)
Summary of outbreaks Total outbreaks: 4
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 34630 17287 17287 17343 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 49.92% 49.92% 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 Abnormal mortalities were observed in four poultry farms in Taoyuan City and Tainan City. Samples were sent to the National Laboratory (AHRI) for diagnosis. H5N2 subtype HPAI was confirmed by AHRI. These farms have been put 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 3 months.
Control measures
Measures applied
  • Movement control inside the country
  • Screening
  • Disinfection / Disinfestation
  • Quarantine
  • Stamping out
  • Zoning
  • 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 14/01/2016 Positive
Animal Health Research Institute (AHRI) (National laboratory) Birds gene sequencing 19/01/2016 Positive
Animal Health Research Institute (AHRI) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 13/01/2016 Positive
Animal Health Research Institute (AHRI) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 17/01/2016 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations