Porcine reproductive and respiratory syndrome, Laos (OIE, July 6 2010, extract, edited)

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Porcine reproductive and respiratory syndrome, Laos (OIE, July 6 2010, extract, edited)

[Source: OIE, Full PDF Document (LINK). Extract, edited.]

Porcine reproductive and respiratory syndrome, Laos

Information received on 06/07/2010 from Dr Khambounheuang Bounkhouang , Directeur G?n?ral, D?partement de l'Elevage et des P?ches , Minist?re de l'Agriculture et des For?ts , Vientiane, Laos

• Summary
  • Report type Immediate notification
  • Start date 16/06/2010
  • Date of first confirmation of the event 02/07/2010
  • Report date 06/07/2010
  • Date submitted to OIE 06/07/2010
  • Reason for notification First occurrence of a listed disease
  • Manifestation of disease Clinical disease
  • Causal agent Porcine reproductive and respiratory syndrome virus
  • Nature of diagnosis Suspicion, Clinical, Laboratory (advanced), Necropsy
  • This event pertains to the whole country

• New outbreaks
  • Summary of outbreaks
    • Total outbreaks: 2
      • Location(s) - VIENTIANE CAPITAL (Ban Nahay, Hatxaifong; Ban Phao, Hatxaifong)
        • Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
          • Swine - 790 - 145 - 48 - 0 - 0
      • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
        • Swine - 18.35% - 6.08% - 33.10% - 6.08%
        • * Removed from the susceptible population through death, destruction and/or slaughter

• Epidemiology
  • Source of the outbreak(s) or origin of infection
    • Unknown or inconclusive
    • Introduction of new live animals

• Epidemiological comments
  • The introduction of new live animals into the farm and low biosecurity of the farm are the likely source of the occurrence of the disease.

• Control measures
  • Measures applied
    • Quarantine
    • Movement control inside the country
    • Zoning
    • Disinfection of infected premises/establishment(s)
    • No vaccination
    • No treatment of affected animals
  • Measures to be applied
    • Vaccination in response to the outbreak (s)

• Diagnostic test results
  • Laboratory name and type National Animal Health Centre (National laboratory)
    • Tests and results: Species - Test - Test date - Result
      • Swine - real-time PCR - 02/07/2010 - Positive

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

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