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2021-12-5 9:43:04


OIE: Highly pathogenic avian influenza (H5N2) (poultry), Chinese Taipei
submited by kickingbird at Sep, 11, 2021 10:45 AM from OIE

Summary
Report type: immediate notification
Started: 9 Aug 2021
Confirmed: 12 Aug 2021
Reported: 6 Sep 2021
Reason for notification: recurrence
Last occurrence: 12 May 2021
Causal agent: highly pathogenic avian influenza virus
Serotype: H5N2
Nature of diagnosis: clinical, laboratory
This event pertains to a defined zone within the country.

New outbreaks (1)
Summary of outbreaks
Total outbreaks (1)
Outbreak location 1: Mailiao Township, Yulin, Taiwan
Started: 9 Aug 2021
Epidemiological unit: other
Detailed Characterization: Clade 2.3.4.4b- (H5N2)
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Birds / 1 / 1 / 1 / 0 / 0 / 0

Epidemiology
Source of the outbreak(s) or origin of infection: unknown or
inconclusive

Epidemiological comments: The dead duck was picked up on the roadside
in Yunlin County. The sample was confirmed by Animal Health Research
Institute (AHRI). Highly pathogenic avian influenza H5N2 subtype was
confirmed. Thorough cleaning and disinfection have
been conducted in neighboring areas. Surrounding poultry farms within
a 3 km [1.8 mi] radius of the infected region are under intensified
surveillance for 3 months.

Control measures applied in domestic: zoning, surveillance within
containment and/or the protection zone; surveillance outside
containment and/or the protection zone; disinfection

Diagnostic test results
Laboratory name and type / Species / Test / Test date / Result
Animal Health Research Institute (AHRI) National Laboratory/ birds /
Reverse transcription-polymerase chain reaction (RT-PCR) / 12 Aug 2021
/ positive
Animal Health Research Institute (AHRI) National Laboratory/ birds /
Gene sequencing / 12 Aug 2021 / positive
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