Highly pathogenic avian influenza H5N1, Nepal (OIE, July 1 2013): 3 New Poultry Outbreaks

[Giuseppe]

[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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