Highly pathogenic avian influenza,
India

Information received on 23/12/2008 from Mr Natarajan Gokulram, Secretary to the Government of India, Department of Animal Husbandry, Dairying and Fisheries, Ministry of Agriculture, New Delhi, India

Summary

Report type Follow-up report No. 3
Start date 21/11/2008
Date of first confirmation of the event 27/11/2008
Report date 19/12/2008
Date submitted to OIE 23/12/2008
Date event resolved 22/10/2009
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 11/2008
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N1
Nature of diagnosis Laboratory (basic), Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports

New outbreaks
Outbreak 1 Kheluwapara Pt-II, Boitamari, Bongaigaon, ASSAM
Date of start of the outbreak 15/12/2008
Outbreak status Resolved (22/10/2009)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 26838 48 48 26790 0
Affected Population rural backyard poultry
Outbreak 2 Sariha Sakla, Bojali, Barpeta, ASSAM
Date of start of the outbreak 15/12/2008
Outbreak status Resolved (22/10/2009)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 3455 70 70 3385 0
Affected Population rural backyard poultry
Outbreak 3 Kharghuli Jaipur, Ward No.37, Guwahati, Kamrup(Metro), ASSAM
Date of start of the outbreak 15/12/2008
Outbreak status Resolved (22/10/2009)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 1704 20 20 1684 0
Summary of outbreaks Total outbreaks: 3
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 31997 138 138 31859 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 0.43% 0.43% 100.00% 100.00%

* Removed from the susceptible population through death, destruction and/or slaughter

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 outbreaks 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 applied in accordance with a specific protocol.

Control measures
Measures applied
  • Stamping out
  • Quarantine
  • Movement control inside the country
  • Screening
  • No vaccination
  • No treatment of affected animals
Measures to be applied
  • 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 PCR 15/12/2008 Positive
Birds reverse transcription - polymerase chain reaction (RT-PCR) 15/12/2008 Positive
Laboratory name and type National Institute of Virology (National laboratory)
Tests and results
Species Test Test date Result
Birds reverse transcription - polymerase chain reaction (RT-PCR) 17/12/2008 Positive

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

Map of outbreak locations
Location of current outbreaks

Click on map to zoom in.