Friday, December 2, 2011

OIE Report-Highly pathogenic avian influenza,

Highly pathogenic avian influenza,
Nepal


Information received on 02/12/2011 from Dr Ram Krishna Khatiwada, Programme Director , Directorate of Animal Health , Ministry of Agriculture and Co-operatives, Kathmandu, Nepal

Summary

Report typeImmediate notification
Start date10/11/2011
Date of first confirmation of the event14/11/2011
Report date02/12/2011
Date submitted to OIE02/12/2011
Reason for notificationReoccurrence of a listed disease
Date of previous occurrence30/10/2010
Manifestation of diseaseClinical disease
Causal agentHighly pathogenic avian influenza virus
SerotypeH5N1
Nature of diagnosisClinical, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains tothe whole country

New outbreaks
Outbreak 1 Manahara Phat, Madhyapur Thimi Municipality - 16, Bhaktapur, BAGMATI
Date of start of the outbreak10/11/2011
Outbreak statusContinuing (or date resolved not provided)
Epidemiological unitVillage
Affected animals
SpeciesSusceptibleCasesDeathsDestroyedSlaughtered
Birds39688883080
Affected PopulationBackyard chicken and duck population
Summary of outbreaksTotal outbreaks: 1
Outbreak statistics
SpeciesApparent morbidity rateApparent mortality rateApparent case fatality rateProportion susceptible animals lost*
Birds22.22%22.22%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
  • Unknown or inconclusive
Epidemiological commentsStamping out activity was completed on 29 November 2011 and cleaning and disinfection of the infected premises were completed on 30 November 2011. Post-operative surveillance activities are ongoing and no further cases in other areas have been detected so far.

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

Diagnostic test results
Laboratory name and typeCentral Veterinary Laboratory (CVL) (National laboratory)
Tests and results
SpeciesTestTest dateResult
Birdspolymerase chain reaction (PCR)14/11/2011Positive
Birdsrapid tests14/11/2011Positive
Laboratory name and typeVeterinary Laboratories Agency (VLA), Weybridge, United Kingdom (OIE’s Reference Laboratory)
Tests and results
SpeciesTestTest dateResult
Birdsreverse transcription - polymerase chain reaction (RT-PCR)23/11/2011Positive

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