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2024-4-20 3:32:11


OIE: Highly pathogenic avian influenza ,Bhutan
submited by kickingbird at Oct, 24, 2016 22:0 PM from OIE

Information received on 24/10/2016 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

10/10/2016

Date of confirmation of the event

20/10/2016

Report date

24/10/2016

Date submitted to OIE

24/10/2016

Reason for notification

Reoccurrence of a listed disease

Date of previous occurrence

11/2015

Manifestation of disease

Clinical disease

Causal agent

Highly pathogenic avian influenza virus

Serotype

H5N1

Nature of diagnosis

Laboratory (basic), Laboratory (advanced)

This event pertains to

a defined zone within the country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

  • CHHUKHA ( Alubari, Wangkha, Bjabcho )

Total animals affected

Species

Susceptible

Cases

Deaths

Destroyed

Slaughtered

Birds

3000

13

13

61

0

Outbreak statistics

Species

Apparent morbidity rate

Apparent mortality rate

Apparent case fatality rate

Proportion susceptible animals lost*

Birds

0.43%

0.43%

100.00%

2.47%


* 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

The outbreak has occurred in a backyard, free-ranging poultry population. While interviewing the owners of the birds, none of them mentioned source of infection. Further investigation on the source of infection will be followed-up. Only a small number of birds in an isolated pocket was affected. No further infection in flocks in close proximity was detected.

Control measures

Measures applied

  • Movement control inside the country
  • Screening
  • Disinfection / Disinfestation
  • Dipping / Spraying
  • Quarantine
  • Stamping out
  • Zoning
  • Vaccination prohibited
  • No treatment of affected animals

Measures to be applied

  • No other measures

Diagnostic test results

Laboratory name and type

National Centre for Animal Health, Serbithang, Thimphu ( National laboratory )

Tests and results

Species

Test

Test date

Result

Birds

real-time PCR

13/10/2016

Positive

Laboratory name and type

National Institute of High Security Animal Diseases (NIHSAD), Bhopal, India ( OIE Reference Laboratory )

Tests and results

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