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2020-7-13 5:50:48


OIE: Highly pathogenic avian influenza(H5N5), Chinese Taipei
submited by kickingbird at Jun, 3, 2020 11:21 AM from OIE

Summary
Report type
Follow-up report No. 16
Date of start of the event
09/09/2019
Date of confirmation of the event
13/09/2019
Report date
01/06/2020
Date submitted to OIE
01/06/2020
Reason for notification
New strain of a listed disease in the country
Causal agent
Highly pathogenic avian influenza virus
Serotype
H5N5
Nature of diagnosis
Laboratory (advanced)
This event pertains to
a defined zone within the country
Related reports
Immediate notification (23/09/2019)
Follow-up report No. 1 (14/10/2019)
Follow-up report No. 2 (22/11/2019)
Follow-up report No. 3 (03/01/2020)
Follow-up report No. 4 (06/01/2020)
Follow-up report No. 5 (13/01/2020)
Follow-up report No. 6 (22/01/2020)
Follow-up report No. 7 (10/02/2020)
Follow-up report No. 8 (20/02/2020)
Follow-up report No. 9 (03/03/2020)
Follow-up report No. 10 (10/03/2020)
Follow-up report No. 11 (27/03/2020)
Follow-up report No. 12 (07/04/2020)
Follow-up report No. 13 (21/04/2020)
Follow-up report No. 14 (11/05/2020)
Follow-up report No. 15 (18/05/2020)
Follow-up report No. 16 (01/06/2020)
New outbreaks (1)

Outbreak 1 (2020-yl-9)
Baozhong Township, Yunlin County
Date of start of the outbreak
21/05/2020
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Farm
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
24103
55
55
24048
0
Affected population
Native Chickens(2020-yl-9)
Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
24103
55
55
24048
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Birds
0.23%
0.23%
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 were sent to the National Laboratory, Animal Health Research Institute (AHRI) for diagnosis. Highly pathogenic avian influenza H5N5 subtype was confirmed by AHRI. The infected farm in Yunlin County has been placed under movement restriction. All animals on the infected farm have been culled. Thorough cleaning and disinfection have been conducted after stamping out operation. Surrounding poultry farms within 3 km radius of the infected farm are under intensified surveillance for three months.

Control measures
Measures applied
Movement control inside the country
Surveillance outside containment and/or protection zone
Surveillance within containment and/or protection zone
Traceability
Quarantine
Stamping out
Zoning
Disinfection
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
24/05/2020
Positive
Animal Health Research Institute (AHRI) (National laboratory)
Birds
reverse transcription - polymerase chain reaction (RT-PCR)
23/05/2020
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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