OIE: Highly pathogenic avian influenza, India

Information received on 28/01/2012 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. 3
Start date 03/01/2012
Date of first confirmation of the event 10/01/2012
Report date 28/01/2012
Date submitted to OIE 28/01/2012
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

New outbreaks

Outbreak 1 Mohanpur, Lembucherra, West Tripura, TRIPURA
Date of start of the outbreak 16/01/2012
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 12385 4229 4229
Affected Population ICAR (Indian Council of Agricultural Research) research complex 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 34.15% 34.15% 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 real-time PCR 24/01/2012 Positive
Birds reverse transcription - polymerase chain reaction (RT-PCR) 24/01/2012 Positive
Birds virus isolation 24/01/2012 Positive

Future Reporting

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