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Highly pathogenic avian influenza, Print Chinese Taipei Close

Information received on 16/01/2015 from Dr Ping-Cheng Yang, Vice President, Agriculture Technology Research Institute, Council of Agriculture, Hsinchu City, Chinese Taipei Summary

Report type Follow-up report No. 3

Date of start of the event 07/01/2015 Date of pre-confirmation of the 11/01/2015 event Report date 16/01/2015

Date submitted to OIE 16/01/2015

Reason for notification Reoccurrence 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 Immediate notification (12/01/2015) Follow-up report No. 1 (13/01/2015) Related reports Follow-up report No. 2 (15/01/2015) Follow-up report No. 3 (16/01/2015) New outbreaks (17) Outbreak 1 Kouhu ,

Date of start of the outbreak 11/01/2015

Outbreak status Continuing (or date resolved not provided)

Epidemiological unit Farm

Species Susceptible Cases Deaths Destroyed Slaughtered Affected animals Birds 2200 897 897 1303 0 Affected population Breeding geese

Outbreak 2 Budai Township,

Date of start of the outbreak 11/01/2015

Outbreak status Continuing (or date resolved not provided)

Epidemiological unit Farm

Species Susceptible Cases Deaths Destroyed Slaughtered Affected animals Birds 3600 1825 1825 1775 0 Affected population Geese

Outbreak 3 Wandan Township,

Date of start of the outbreak 12/01/2015

Outbreak status Continuing (or date resolved not provided)

Epidemiological unit Farm

Species Susceptible Cases Deaths Destroyed Slaughtered Affected animals Birds 11810 6933 6933 4877 0 Affected population Geese

Outbreak 4 Sihu Township, YUNLIN COUNTY

Date of start of the outbreak 12/01/2015

Outbreak status Continuing (or date resolved not provided)

Epidemiological unit Farm

Species Susceptible Cases Deaths Destroyed Slaughtered Affected animals Birds 5190 4779 4779 411 0 Affected population Geese

Outbreak 5 Dongshi Township, YUNLIN COUNTY

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Date of start of the outbreak 12/01/2015 Outbreak status Continuing (or date resolved not provided)

Epidemiological unit Farm

Species Susceptible Cases Deaths Destroyed Slaughtered Affected animals Birds 3600 300 300 Affected population Geese

Outbreak 6 Township,

Date of start of the outbreak 12/01/2015

Outbreak status Continuing (or date resolved not provided)

Epidemiological unit Farm

Species Susceptible Cases Deaths Destroyed Slaughtered Affected animals Birds 13000 200 200 12800 0 Affected population Layer ducks

Outbreak 7 Sihu Township, YUNLIN COUNTY

Date of start of the outbreak 12/01/2015

Outbreak status Continuing (or date resolved not provided)

Epidemiological unit Farm

Species Susceptible Cases Deaths Destroyed Slaughtered Affected animals Birds 2428 2063 2063 365 0 Affected population Geese

Outbreak 8 Sihu Township, YUNLIN COUNTY

Date of start of the outbreak 12/01/2015

Outbreak status Continuing (or date resolved not provided)

Epidemiological unit Farm

Species Susceptible Cases Deaths Destroyed Slaughtered Affected animals Birds 1000 550 550 Affected population Breeding geese

Outbreak 9 Sihu Township, YUNLIN COUNTY

Date of start of the outbreak 12/01/2015

Outbreak status Continuing (or date resolved not provided)

Epidemiological unit Farm

Species Susceptible Cases Deaths Destroyed Slaughtered Affected animals Birds 2400 2204 2204 196 0 Affected population Geese

Outbreak 10 Sihu Township, YUNLIN COUNTY

Date of start of the outbreak 12/01/2015

Outbreak status Continuing (or date resolved not provided)

Epidemiological unit Farm

Species Susceptible Cases Deaths Destroyed Slaughtered Affected animals Birds 2200 2104 2104 96 0 Affected population Geese

Outbreak 11 Pingzhen Township, TAOYUAN COUNTY

Date of start of the outbreak 12/01/2015

Outbreak status Continuing (or date resolved not provided)

Epidemiological unit Farm

Species Susceptible Cases Deaths Destroyed Slaughtered Affected animals Birds 2100 200 200 1900 0 Affected population Breeding geese

Outbreak 12 Sihu Township, YUNLIN COUNTY

Date of start of the outbreak 12/01/2015

Outbreak status Continuing (or date resolved not provided)

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Epidemiological unit Farm Species Susceptible Cases Deaths Destroyed Slaughtered Affected animals Birds 1560 674 674 886 0 Affected population Breeding geese

Outbreak 13 Budai Township, CHIAYI COUNTY

Date of start of the outbreak 12/01/2015

Outbreak status Continuing (or date resolved not provided)

Epidemiological unit Farm

Species Susceptible Cases Deaths Destroyed Slaughtered Affected animals Birds 2795 1874 1874 921 0 Affected population Geese

Outbreak 14 Kouhu Township, YUNLIN COUNTY

Date of start of the outbreak 12/01/2015

Outbreak status Continuing (or date resolved not provided)

Epidemiological unit Farm

Species Susceptible Cases Deaths Destroyed Slaughtered Affected animals Birds 6500 6100 6100 Affected population Geese

Outbreak 15 Kouhu Township, YUNLIN COUNTY

Date of start of the outbreak 12/01/2015

Outbreak status Continuing (or date resolved not provided)

Epidemiological unit Farm

Species Susceptible Cases Deaths Destroyed Slaughtered Affected animals Birds 6200 1800 1800 Affected population Geese

Outbreak 16 Sihu Township, YUNLIN COUNTY

Date of start of the outbreak 12/01/2015

Outbreak status Continuing (or date resolved not provided)

Epidemiological unit Farm

Species Susceptible Cases Deaths Destroyed Slaughtered Affected animals Birds 1300 1105 1105 195 0 Affected population Breeding geese

Outbreak 17 Township, YUNLIN COUNTY

Date of start of the outbreak 12/01/2015

Outbreak status Continuing (or date resolved not provided)

Epidemiological unit Farm

Species Susceptible Cases Deaths Destroyed Slaughtered Affected animals Birds 6270 350 350 Affected population Geese Summary of Total outbreaks: 17 outbreaks

Total animals Species Susceptible Cases Deaths Destroyed Slaughtered affected Birds 74153 33958 33958 25725 0 Apparent morbidity Apparent mortality Apparent case fatality Proportion susceptible animals Species Outbreak statistics rate rate rate lost* Birds 45.79% 45.79% 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 Unknown or inconclusive of infection

Abnormal mortalities were observed in 17 waterfowl farms in Tao-Yuan City, Chang-Hua County, Yun-Lin County, Chia-

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Yi County and Ping-Tung County. Samples were sent to the National Laboratory (AHRI) for diagnosis. H5N2 subtype HPAI was confirmed by AHRI. These farms have been put under movement restrictions. All the geese within the infected Epidemiological farms will be culled. The actual numbers of culled animals will be available when stamping out operation is finished and comments be reported in the next follow-up report. Thorough cleaning and disinfection will be conducted after stamping out operation. Surrounding poultry farms within 3 km radius of infected farms are under intensified surveillance for 3 months. Control measures

Stamping out Quarantine Movement control inside the country Screening Measures applied Zoning Disinfection of infected premises/establishment(s) 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 Birds gene sequencing 15/01/2015 Positive laboratory) Animal Health Research Institute (AHRI) (National Birds reverse transcription - polymerase chain reaction 13/01/2015 Positive laboratory) (RT-PCR) Future Reporting

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

Map of outbreak locations

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