[Source: OIE, full page: (LINK). Edited.]
Highly pathogenic avian influenza, Bhutan
Information received on 25/10/2012 from Dr Karma Dukpa, Director General, Department of Livestock, Ministry of Agriculture and Forests, THIMPHU, Bhutan
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Highly pathogenic avian influenza, Bhutan
Information received on 25/10/2012 from Dr Karma Dukpa, Director General, Department of Livestock, Ministry of Agriculture and Forests, THIMPHU, Bhutan
- Summary
- Report type Follow-up report No. 7
- Date of start of the event 30/12/2011
- Date of pre-confirmation of the event 08/01/2012
- Report date 25/10/2012
- Date submitted to OIE 25/10/2012
- Reason for notification Reoccurrence of a listed disease
- Date of previous occurrence 25/03/2010
- Manifestation of disease Clinical disease
- Causal agent Highly pathogenic avian influenza virus
- Serotype H5N1
- Nature of diagnosis Clinical, Laboratory (advanced)
- This event pertains to a defined zone within the country
- Related reports
- Immediate notification (09/01/2012)
- Follow-up report No. 1 (17/01/2012)
- Follow-up report No. 2 (18/01/2012)
- Follow-up report No. 3 (01/03/2012)
- Follow-up report No. 4 (02/03/2012)
- Follow-up report No. 5 (09/03/2012)
- Follow-up report No. 6 (20/04/2012)
- Follow-up report No. 7 (25/10/2012)
- New outbreaks (1)
- Outbreak 1 (BHT_HPAI_2012_01) Rinchending, Phuentsholing, Chhukha, CHHUKHA
- Date of start of the outbreak 02/10/2012
- Outbreak status Continuing (or date resolved not provided)
- Epidemiological unit Village
- Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
- Birds - 496 ? 24 ? 24 ? 29 ? 0
- Affected population:
- Backyard free-ranging local chickens at Rinchending village.
- The affected village is located beside the Thimphu-Phuentsholing highway about 5 kilometres from Phuentsholing town.
- Outbreak 1 (BHT_HPAI_2012_01) Rinchending, Phuentsholing, Chhukha, CHHUKHA
- Summary of outbreaks
- Total outbreaks: 1
- Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
- Birds ? 496 ? 24 ? 24 ? 29 ? 0
- Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
- Birds - 4.84% - 4.84% - 100.00% - 10.69%
- *Removed from the susceptible population through death, destruction and/or slaughter
- Epidemiology
- Source of the outbreak(s) or origin of infection
- Introduction of new live animals
- Illegal movement of animals
- Source of the outbreak(s) or origin of infection
- Epidemiological comments
- As on 17 October 2012 a total of 24 poultry died in the affected area.
- Trace-back investigations revealed that there were poultry deaths in the area from 2 October although not reported to the local veterinary authorities.
- The disease was confirmed through rRT-PCR at the National Veterinary Laboratory in the country on 16 October when two carcasses were subjected to tests.
- Control measures
- Measures applied
- Stamping out
- Quarantine
- Movement control inside the country
- Screening
- Disinfection of infected premises/establishment(s)
- Dipping / Spraying
- Vaccination prohibited
- No treatment of affected animals
- Measures to be applied
- No other measures
- Measures applied
- Diagnostic test results
- Laboratory name and type ? Species ? Test - Test date ? Result
- National Centre for Animal Health (National laboratory) ? Birds - real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) - 16/10/2012 ? Positive
- High Security Animal Disease Laboratory, Bhopal, India (Regional Reference Laboratory) ? Birds - real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) - 19/10/2012 ? Positive
- Laboratory name and type ? Species ? Test - Test date ? Result
- Future Reporting
- The event is continuing. Weekly follow-up reports will be submitted.
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