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Highly pathogenic avian influenza, India (OIE, May 7 2012): 1 New H5N1 Poultry Outbreak, Tripura

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  • Highly pathogenic avian influenza, India (OIE, May 7 2012): 1 New H5N1 Poultry Outbreak, Tripura

    [Source: OIE, full page: (LINK). Edited.]


    Highly pathogenic avian influenza, India


    Information received on 07/05/2012 from Mr Rudhra Gangadharan, Secretary to the Government of India, Department of Animal Husbandry, Dairying and Fisheries , Ministry of Agriculture, Food & Consumer Affairs , New Delhi, India
    • Summary
      • Report type Follow-up report No. 6
      • Start date 03/01/2012
      • Date of first confirmation of the event 10/01/2012
      • Report date 07/05/2012
      • Date submitted to OIE 07/05/2012
      • Reason for notification First occurrence of a listed disease
      • Manifestation of disease Clinical disease
      • Causal agent Highly pathogenic avian influenza virus
      • Serotype H5N1
      • Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced)
      • This event pertains to a defined zone within the country
      • Related reports
        • Immediate notification (11/01/2012)
        • Follow-up report No. 1 (13/01/2012)
        • Follow-up report No. 2 (18/01/2012)
        • Follow-up report No. 3 (28/01/2012)
        • Follow-up report No. 4 (04/02/2012)
        • Follow-up report No. 5 (16/03/2012)
        • Follow-up report No. 6 (07/05/2012)
    • New outbreaks
      • Outbreak 1 - Udaipur, Matarbari, Gomati, TRIPURA
        • Date of start of the outbreak 18/04/2012
        • Outbreak status Continuing (or date resolved not provided)
        • Epidemiological unit Farm
        • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
          • Birds ? 4668 ? 3168 ? 3168 ? ? ? ?
          • Affected Population: A district poultry farm
    • Summary of outbreaks
      • Total outbreaks: 1
      • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
        • Birds - 67.87% - 67.87% - 100.00% ? **
        • * Removed from the susceptible population through death, destruction and/or slaughter
        • ** Not calculated because of missing information
    • Epidemiology
      • Source of the outbreak(s) or origin of infection
        • Unknown or inconclusive
    • Epidemiological comments
      • Epidemiological investigation is ongoing.
      • Stamping out of all domestic poultry is being applied in an approximately 3-km radius zone around the outbreak followed by compensation to the owners.
      • An intensive surveillance campaign has been launched in a 10-km radius zone including:
        • closure of poultry markets and prohibition on sale and transportation of poultry products in the infected zone.
        • disinfection of premises after culling and sealing of premises where appropriate.
      • Restocking will be applied in accordance with a specified protocol.
    • Control measures
      • Measures applied
        • Quarantine
        • Movement control inside the country
        • Screening
        • No vaccination
        • No treatment of affected animals
      • Measures to be applied
        • Stamping out
        • Disinfection of infected premises/establishment(s)
        • Dipping / Spraying
    • Diagnostic test results
      • Laboratory name and type High Security Animal Disease Laboratory, Bhopal (National laboratory)
        • Tests and results: Species ? Test - Test date ? Result
          • Birds - real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) - 24/04/2012 ? Positive
          • Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 24/04/2012 ? Positive
          • Birds - virus isolation - 24/04/2012 ? Positive
    • Future Reporting
      • The event is continuing. Weekly follow-up reports will be submitted.
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