Highly pathogenic avian influenza,
Bhutan
Information received on 13/03/2018 from Dr Tashi Samdup, Director General, Department of Livestock, Ministry of Agriculture and Forests, Thimphu, Bhutan
Summary
Report type Immediate notification
Date of start of the event 06/03/2018
Date of confirmation of the event 11/03/2018
Report date 13/03/2018
Date submitted to OIE 13/03/2018
Reason for notification Recurrence of a listed disease
Date of previous occurrence 16/10/2016
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N1
Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to a defined zone within the country
New outbreaks (1)
Outbreak 1 Samdrup Jongkhar, Samdrup Jongkhar, Deothang, SAMDRUP JONGKHAR
Date of start of the outbreak 06/03/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 60 36 36 24 0
Affected population The outbreak has occurred in free ranging birds reared within temple complex
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 60 36 36 24 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 60.00% 60.00% 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
  • Introduction of new live animals
  • Illegal movement of animals
Epidemiological comments The birds were brought from unknown sources illegally and kept within the temple complex. The disease is so far confined within the temple complex owing to strict enforcement of control measures.
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Official destruction of animal products
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Disinfection
  • Ante and post-mortem inspections
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Quarantine
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) 11/03/2018 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
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http://www.oie.int/wahis_2/public/wa...reportid=26166