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2022-8-12 21:10:29


OIE: Highly pathogenic avian influenza, Chinese Taipei
submited by kickingbird at Jul, 18, 2012 7:45 AM from OIE

Information received on 17/07/2012 from Dr Kwo-Ching Huang, Chief Veterinary Officer and Deputy Director General, , Bureau of Animal and Plant Health Inspection and Quarantine Council of agriculture, Executive Yuan , Taipei, Chinese Taipei

Summary

Report type Immediate notification (Final report)
Start date 07/07/2012
Date of first confirmation of the event 16/07/2012
Report date 17/07/2012
Date submitted to OIE 17/07/2012
Date event resolved 07/07/2012
Reason for notification First occurrence of a listed disease
Manifestation of disease Sub-clinical infection
Causal agent Highly pathogenic avian influenza virus
Serotype H5N1
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country

New outbreaks

Summary of outbreaks Total outbreaks: 1
Location(s)
  • T´AO-YUAN (Luchu Township)
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 38 37 0 38 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 97.37% 0.00% 0.00% 100.00%

* Removed from the susceptible population through death, destruction and/or slaughter

Epidemiology

Source of the outbreak(s) or origin of infection
  • Illegal movement of animals
Epidemiological comments Thirty-eight birds were intercepted at Taiwan Taoyuan International Airport on 7 July 2012. The birds were smuggled by a passenger travelling from Macao to Taiwan and euthanized immediately on the spot and sent to National Laboratory, Animal Health Research Institute, for further investigation. H5N1 HPAI virus has been identified from these birds and HA0 cleavage sequencing demonstrated its high pathogenicity.
The cleaning and disinfection of the environment and facilities were completed on 7 July 2012. All staff in contact with the birds have been under monitoring of Health Authority for 10 days and found healthy.
According to the OIE Terrestrial Code, this event does not affect the free status of H5N1 HPAI in Chinese Taipei.

Control measures

Measures applied
  • Stamping out
  • Quarantine
  • 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 Animal Health Research Institute (National laboratory)
Tests and results
Species Test Test date Result
Birds gene sequencing 16/07/2012 Positive
Birds reverse transcription - polymerase chain reaction (RT-PCR) 13/07/2012 Positive
Birds virus isolation 13/07/2012 Positive

Future Reporting

The event is resolved. No more reports will be submitted.

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