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 Follow-up report No. 1 (Final report)
Start date 27/03/2009
Date of first confirmation of the event 29/03/2009
Report date 23/06/2009
Date submitted to OIE 23/06/2009
Date event resolved 17/04/2009
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 18/02/2009
Manifestation of disease Clinical disease
Causal agent Foot and mouth disease virus
Serotype O
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports
Outbreaks There are no new outbreaks in this report

Epidemiology
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments After the outbreak dated 27 March 2009, local veterinary authority monitored a total of 25 farms within a 3-km-radius around the index farm. Cleaning and disinfection was completed under direct supervision of the local veterinary authority on 28 March 2009.
Oral swab and pig hoof samples collected from the index farm on 28 March 2009 were subjected to virus isolation test. After two passages of inoculation, a negative result was obtained on 9 April 2009.
Oral swab samples collected again from the index farm on 28 April 2009 were subjected to RT-PCR and virus isolation; negative results were obtained respectively on 30 April and 1 May 2009.
Clinical surveillance was conducted from 28 March to 6 May 2009. No other cases in this region have been found.
The movement control has been released on the index farm by the local veterinary authority on 6 May 2009.
The serotype of this outbreak was confirmed as O type on 12 June 2009.

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
    CHIA-I Swine 653
  • Disinfection of infected premises/establishment(s)
  • Modified stamping out
  • 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 enzyme-linked immunosorbent assay (ELISA) 12/06/2009 Positive
Swine reverse transcription - polymerase chain reaction (RT-PCR) 30/04/2009 Negative
Swine virus isolation 09/04/2009 Negative
Swine virus isolation 01/05/2009 Negative

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