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2019-7-17 15:36:13


OIE: Highly pathogenic avian influenza, Chinese Taipei
submited by kickingbird at Mar, 30, 2019 9:27 AM from OIE

Information received on 29/03/2019 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. 127
Date of start of the event 07/01/2015
Date of confirmation of the event 11/01/2015
Report date 29/03/2019
Date submitted to OIE 29/03/2019
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)
New outbreaks (4)
Outbreak 1 (2019-tp-1) Beitou District, Taipei City
Date of start of the outbreak 16/03/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Natural park
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 39 39 39 0 0
Affected population Discard Native Chickens(2019-tp-1)
Outbreak 2 (2019-tp-2) Wanhua District, Taipei City
Date of start of the outbreak 20/03/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Slaughterhouse
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 61 0 61 0
Affected population Native Chickens(2019-tp-2)
Outbreak 3 (2019-tp-3) Beitou District, Taipei City
Date of start of the outbreak 20/03/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Natural park
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 5 5 5 0 0
Affected population Discard Native Chickens and Goose(2019-tp-3)
Outbreak 4 (2019-tp-4) Beitou District, Taipei City
Date of start of the outbreak 22/03/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Natural park
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 3 3 3 0 0
Affected population Discard Native Chickens(2019-tp-4)
Summary of outbreaks Total outbreaks: 4
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 108 47 ** 47 61 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds ** 43.52% ** 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Epidemiology
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments Samples from Taipei City were sent to the National Laboratory, Animal Health Research Institute (AHRI) for diagnosis. Highly pathogenic avian influenza H5N2 subtype was confirmed by AHRI. The sampling spots in Taipei City was disinfected. Surrounding poultry farms within 3 km radius of the sampling spot are under intensified surveillance for three months. Suspected signs were observed in poultry carcasses during post-mortem inspection in one abattoir in Taipei City. Samples were sent to the 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 19/03/2019 Positive
Animal Health Research Institute (AHRI) (National laboratory) Birds gene sequencing 22/03/2019 Positive
Animal Health Research Institute (AHRI) (National laboratory) Birds gene sequencing 22/03/2019 Positive
Animal Health Research Institute (AHRI) (National laboratory) Birds gene sequencing 24/03/2019 Positive
Animal Health Research Institute (AHRI) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 18/03/2019 Positive
Animal Health Research Institute (AHRI) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 21/03/2019 Positive
Animal Health Research Institute (AHRI) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 21/03/2019 Positive
Animal Health Research Institute (AHRI) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 23/03/2019 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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