7/01/2013

Highly pathogenic avian influenza H5N1, Nepal (OIE World Animal Health Information System, July 1 2013, edited)

[Source: OIE, full page: (LINK). Edited.]

Highly pathogenic avian influenza H5N1, Nepal

Information received on 30/06/2013 from Dr Nar Bahadur Rajwar, Director General, Department of Livestock Services, Department of Livestock Services, Lalitpur, Nepal 

  • Summary
    • Report type Follow-up report No. 9
    • Date of start of the event 27/08/2012
    • Date of pre-confirmation of the event 03/09/2012
    • Report date 30/06/2013
    • Date submitted to OIE 30/06/2013
    • Reason for notification Reoccurrence of a listed disease
    • Date of previous occurrence 30/03/2012
    • 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 the whole country
    • Related reports
      • Immediate notification (14/10/2012)
      • Follow-up report No. 1 (02/11/2012)
      • Follow-up report No. 2 (24/12/2012)
      • Follow-up report No. 3 (06/01/2013)
      • Follow-up report No. 4 (18/01/2013)
      • Follow-up report No. 5 (21/01/2013)
      • Follow-up report No. 6 (15/02/2013)
      • Follow-up report No. 7 (11/04/2013)
      • Follow-up report No. 8 (26/05/2013)
      • Follow-up report No. 9 (30/06/2013)
  • New outbreaks (3)
    • Outbreak 1  - Bharatpur N P 12, Bharatpur, Chitwan, NARAYANI
      • Date of start of the outbreak 28/05/2013
      • Outbreak status Resolved (31/05/2013)
      • Epidemiological unit Village
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 25 – 9 – 9 – 16 – 0
        • Affected population Giriraj birds of different age groups raised in a household.
    • Outbreak 2  - Kumarworti VDC 5, Kumarworti, Nawalparasi, LUMBINI
      • Date of start of the outbreak 02/06/2013
      • Outbreak status Resolved (09/06/2013)
      • Epidemiological unit Village
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 1000 – 255 – 255 – 745 – 0
        • Affected population Backyard ducks and birds of different age groups raised in a village in a free-range system
    • Outbreak 3  - Masina VDC 8, Masina, Rupandehi, LUMBINI
      • Date of start of the outbreak 07/06/2013
      • Outbreak status Resolved (14/06/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 650 – 146 – 146 – 404 – 0
        • Affected population Broiler birds 42 days old reared in a small farm in deep litter system.
  • Summary of outbreaks
    • Total outbreaks: 3
      • Total animals affected: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 1675 – 410 – 410 – 1165 – 0
      • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
        • Birds - 24.48% - 24.48% - 100.00% - 94.03%
        • *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
    • Birds showed respiratory distress, nervous signs and all affected birds died.
    • Cleaning and disinfection activities in the infected premises are completed.
    • Intensive surveillance activities are ongoing throughout the country.
  • Control measures
    • Measures applied
      • Control of wildlife reservoirs
      • 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
  • Future Reporting
    • The event is continuing. Weekly follow-up reports will be submitted.

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