OIE: Highly pathogenic avian influenza ,India

Information received on 09/03/2013 from Mr Gokul Chandra Pati, Secretary, Animal Husbandry, Dairying and Fisheries, Ministry of Agriculture, New Delhi, India

Summary

Report type Immediate notification
Date of start of the event 27/02/2013
Date of pre-confirmation of the event 07/03/2013
Report date 09/03/2013
Date submitted to OIE 09/03/2013
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 01/2012
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

New outbreaks

Summary of outbreaks Total outbreaks: 1
Outbreak Location
  • BIHAR ( Madhubani, Lanka Tola, Purnea )
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 7000 338 338
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 4.83% 4.83% 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.
An intensive surveillance campaign has been launched in 10km radius zone.
Restocking will be permitted with a specified protocol.

Control measures

Measures applied
  • Quarantine
  • Movement control inside the country
  • Screening
  • Vaccination prohibited
  • 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) 07/03/2013 Positive
Birds reverse transcription - polymerase chain reaction (RT-PCR) 07/03/2013 Positive
Birds virus isolation 07/03/2013 Positive

Future Reporting

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