Highly pathogenic avian influenza H5N1, Nepal (OIE, February 15 2013): 5 New Poultry Outbreaks

[Giuseppe]

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


Highly pathogenic avian influenza, Nepal


Information received on 15/02/2013 from Dr Nar Bahadur Rajwar, Director General, Department of Livestock Services, Department of Livestock Services, Lalitpur, Nepal

• Summary
  • Report type Follow-up report No. 6
  • Date of start of the event 27/08/2012
  • Date of pre-confirmation of the event 03/09/2012
  • Report date 15/02/2013
  • Date submitted to OIE 15/02/2013
  • 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)
• New outbreaks (5)
  • Outbreak 1 - Nayapati, Nayapti VDC 7, Kathmandu, BAGMATI
    • Date of start of the outbreak 04/02/2013
    • Outbreak status Resolved (10/02/2013)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 3000 ? 247 ? 247 ? 2753 ? 0
      • Affected population A commercial broiler flock 35 days old reared in a closed farm.
  • Outbreak 2 - Nepaltar, Manamaiju 1, Kathmandu, BAGMATI
    • Date of start of the outbreak 04/02/2013
    • Outbreak status Resolved (11/02/2013)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 7500 ? 1440 ? 1440 ? 6060 ? 0
      • Affected population A commercial broiler flock 33 days old raised in a closed farm
  • Outbreak 3 - Anarmani, Anarmani VDC 1, Jhapa, MECHI
    • Date of start of the outbreak 04/02/2013
    • Outbreak status Resolved (12/02/2013)
    • Epidemiological unit Village
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 60 ? 34 ? 34 ? 26 ? 0
      • Affected population Backyard birds raised in a small village in free-range system
  • Outbreak 4 - Phedibazzar, Jitpurphedi 1, Kathmandu, BAGMATI
    • Date of start of the outbreak 04/02/2013
    • Outbreak status Resolved (09/02/2013)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths - Destroyed ? Slaughtered
      • Birds - 3500 ? 1110 ? 1110 ? 2390 ? 0
      • Affected population A commercial broiler flock 32 days old raised in a closed premises.
  • Outbreak 5 - Sowkhel, Setidevi VDC 4, Kathmandu, BAGMATI
    • Date of start of the outbreak 05/02/2013
    • Outbreak status Resolved (10/02/2013)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 2500 ? 820 ? 820 ? 1680 ? 0
      • Affected population A commercial broiler flock 33 days old raised in a closed farm
• Summary of outbreaks
  • Total outbreaks: 5
    • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 16560 ? 3651 ? 3651 ? 12909 ? 0
    • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
      • Birds - 22.05% - 22.05% - 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 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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