Foot and mouth disease,
Chinese Taipei

Information received on 23/06/2009 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
Start date 09/06/2009
Date of first confirmation of the event 13/06/2009
Report date 23/06/2009
Date submitted to OIE 23/06/2009
Date event resolved 24/07/2009
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 23/05/2009
Manifestation of disease Clinical disease
Causal agent Foot and mouth disease virus
Serotype Pending
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports

New outbreaks
Outbreak 1 Dayuan township, T'AO-YUAN
Date of start of the outbreak 09/06/2009
Outbreak status Resolved (24/07/2009)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Swine 888 37 0 0 0
Summary of outbreaks Total outbreaks: 1
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Swine 4.17% 0.00% 0.00% 0.00%

* 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 In order to ensure the eradication of FMD virus, Chinese Taipei uses non-vaccinated pigs as sentinel animals on every farm.
The prefecture animal disease control competent authority found 37 pigs on a farm showing clinical signs consistent with FMD. Samples for serological test and virus isolation were collected and sent to the national laboratory. The laboratory confirmed positive results for NSP and negative for virus isolation and RT-PCR respectively. A total of 23 farms within 3-km-radius of the index farm have been under vigilant monitoring and no clinical or serological evidence of infection has been found.
The differentiation of serotype is underway.

Control measures
Measures applied
  • Quarantine
  • Movement control inside the country
  • Screening
  • Zoning
  • Vaccination in response to the outbreak (s)
    Administrative division Species Total Vaccinated Details
    T'AO-YUAN Swine 4400 Pigs in a total of 6 farms within 1-km-radius of this index farm were vaccinated against FMD.
  • Disinfection of infected premises/establishment(s)
  • 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
Swine antibody detection ELISA 13/06/2009 Positive
Swine reverse transcription - polymerase chain reaction (RT-PCR) 17/06/2009 Negative
Swine virus isolation 17/06/2009 Negative

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

Map of outbreak locations
Location of current outbreaks

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