Information received on 15/01/2007 from Dr. Yukol Limlamthong, Director-General, Department of Livestock Development, Ministry of Agriculture and Cooperatives, BANGKOK, Thailand

Summary

      Report type Immediate notification
      Start date 09/01/2007
      Date of confirmation of event 15/01/2007
      Report date 15/01/2007
      Date submitted to OIE 16/01/2007
      Reason for notification Reoccurrence of listed disease
      Date of previous occurrence 16/07/2006
      Manifestation of disease Clinical disease
      Causal agent Highly pathogenic avian influenza virus
      Serotype H5N1
      Nature of diagnosis Suspicion, Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
      Report pertains to Defined zone within the country

New Outbreaks Summary of outbreaks Total outbreaks: 1
      Outbreak Location a.. PHITSANULOK (Village No. 5, PlaiChumPol, Muang)
    
      Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered
            Birds 2100 130 100 1970 0
    
      Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible removed*  
            Birds 6.19% 4.76% 76.92% 98.57%
      * Removed from the susceptible population either through death, destruction or slaughter


Epidemiology Source of infection a.. Under investigation
    
      Epidemiological comments Thailand is conducting from 3 January to 3 February 2007 its first intensive surveillance this year. This outbreak is the first finding in 2007. It corresponds to the current avian influenza case definition upon active clinical surveillance campaign.  


Control measures Measures already applied a.. Movement control inside the country
        b.. Screening
        c.. Disinfection of infected premises/establishment(s)
        d.. Dipping / Spraying
        e.. Quarantine
        f.. Stamping out
        g.. Zoning
        h.. Vaccination prohibited
        i.. No treatment of affected animals
    
      Measures to be applied a.. None specified
    


Diagnostic test results Laboratory name and type Lower Northern Veterinary Research and Development (Pitsanuloke) Centre, Department of Livestock Development. (Local laboratory)
      Tests and results Species Test Test date Result
            Birds haemagglutination (HA) test 15/01/2007 Positive
            Birds haemagglutination inhibition test (HIT) 15/01/2007 Positive
            Birds reverse transcription - polymerase chain reaction (RT-PCR) 11/01/2007 Positive
            Birds virus isolation 15/01/2007 Positive