Highly pathogenic avian influenza, India (OIE, March 8 2011, edited), poultry, Tripura

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Highly pathogenic avian influenza, India (OIE, March 8 2011, edited)


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

Highly pathogenic avian influenza, India

Information received on 08/03/2011 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. 1
  • Start date 03/02/2011
  • Date of first confirmation of the event 16/02/2011
  • Report date 07/03/2011
  • Date submitted to OIE 08/03/2011
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 02/06/2010
  • Manifestation of disease Clinical disease
  • Causal agent Highly pathogenic avian influenza virus
  • Serotype H5
  • Nature of diagnosis Laboratory (basic), Laboratory (advanced)
  • This event pertains to a defined zone within the country
  • Related reports
    • Immediate notification (17/02/2011)
    • Follow-up report No. 1 (07/03/2011)

• New outbreaks
  • Outbreak 1 - State Poultry Farm, Gandhigram, Agartala, Agartala, TRIPURA
    • Date of start of the outbreak 04/03/2011
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
      • Birds - 10550 - 380 - 380 - ... - ...
      • Affected Population A State government-run 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 - 3.60% - 3.60% - 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 birds is being applied in an approximately 3-km-radius zone around the outbreak followed by compensation of 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 permitted in accordance with a protocol to be followed in this regard.

• Control measures
  • Measures applied
    • Stamping out
    • Quarantine
    • Movement control inside the country
    • Screening
    • Disinfection of infected premises/establishment(s)
    • Dipping / Spraying
    • No vaccination
    • No treatment of affected animals
  • Measures to be applied
    • No other measures

• 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 PCR - 06/03/2011 - Positive
      • Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 06/03/2011 - Positive

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

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