OIE: Highly pathogenic avian influenza(H5N1), 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
Summary of outbreaks
Total outbreaks: 1
Outbreak Location
  • SAMDRUP JONGKHAR ( Samdrup Jongkhar, Samdrup Jongkhar, Deothang )
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
National Centre for Animal Health ( National laboratory )
Tests and results
Species
Test
Test date
Result
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.