OIE: Highly pathogenic avian influenza, India

Information received on 08/09/2011 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 Immediate notification
Start date 29/08/2011
Date of first confirmation of the event 07/09/2011
Report date 08/09/2011
Date submitted to OIE 08/09/2011
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 04/07/2011
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

New outbreaks

Summary of outbreaks Total outbreaks: 1
Location(s)
  • ASSAM (Bhamondanga Pt-1, Agomoni, Dhuburi)
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 34313 1436 1436
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 4.19% 4.19% 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
  • 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 neuraminidase inhibition assay 07/09/2011 Positive
Birds real-time PCR 07/09/2011 Positive
Birds reverse transcription - polymerase chain reaction (RT-PCR) 07/09/2011 Positive
Birds virus isolation 07/09/2011 Positive

Future Reporting

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