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Highly pathogenic avian influenza H5N1, Nepal (OIE, November 12 2013): 85 New Poultry Outbreaks

Giuseppe

Giuseppe

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


Highly pathogenic avian influenza H5N1, Nepal


Information received on 12/11/2013 from Dr Nar Bahadur Rajwar, Director General, Department of Livestock Services, Department of Livestock Services, Lalitpur, Nepal

  • Summary
    • Report type Follow-up report No. 13
    • Date of start of the event 27/08/2012
    • Date of pre-confirmation of the event 03/09/2012
    • Report date 12/11/2013
    • Date submitted to OIE 12/11/2013
    • 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)
      • Follow-up report No. 10 (09/09/2013)
      • Follow-up report No. 11 (11/09/2013)
      • Follow-up report No. 12 (21/09/2013)
      • Follow-up report No. 13 (12/11/2013)
  • New outbreaks (85)
    • Outbreak 1 - Bhaktapur Municipality and adjoining villages, Bhaktapur , Bhaktapur, BAGMATI
      • Date of start of the outbreak 14/08/2013
      • Outbreak status Resolved (10/09/2013)
      • Epidemiological unit Village
      • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
        • Birds - 798000 ? 14255 ? 14255 ? 783745 ? 0
          • Affected population:
            • Different farms and households having commercial broilers, layers, parent stock and backyard birds within the Bhaktapur district were culled when the infection was detected in different parts of the district.
            • The farms and households were close to each other.
    • Outbreak cluster 2 - Mulpani, Nayapati, Indrayani Area, Mulpani, Nayapati, Indrayani Area, Kathmandu, BAGMATI (25 outbreaks)
      • Date of start of the outbreak 15/08/2013
      • Outbreak status Resolved (01/10/2013)
      • Epidemiological unit Farm
      • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
        • Birds - 105000 ? 6023 ? 6023 ? 98977 ? 0
          • Affected population:
            • Commercial broilers, layers and parent stock birds were culled in Pepsikola, Mulpani, Gothatar, Indrayani, Nayapati, Danchi area of Kathmandu District.
            • The birds were culled based on epidemiological link with the on-going outbreaks.
    • Outbreak cluster 3 - Kirtipur, Thankot Area, Kirtipur, Thankot Area, Kathmandu, BAGMATI (15 outbreaks)
      • Date of start of the outbreak 15/08/2013
      • Outbreak status Resolved (01/10/2013)
      • Epidemiological unit Farm
      • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
        • Birds - 200000 ? 8440 ? 8440 ? 191560 ? 0
        • Affected population:
          • Commercial broilers, layers and parent stock birds were culled in Kirtipur, Thankot area of Kathmandu District.
          • The birds were culled based on epidemiological link with the on-going outbreaks.
    • Outbreak 4 - Hetauda Municipality 8 and 6, Hetauda Municipality 8 & 6, Makwanpur, NARAYANI
      • Date of start of the outbreak 15/08/2013
      • Outbreak status Resolved (31/08/2013)
      • Epidemiological unit Farm
      • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
        • Birds - 11000 ? 809 ? 809 ? 10191 ? 0
        • Affected population:
          • Commercial broilers, layers and backyard birds were culled in Hetauda Municipality Wards No 6 and 8 area of Makawanpur District.
    • Outbreak cluster 5 - Lamatar, Sainbu Bhaisepati Area, Lamatar, Sainbu Bhaisepati Area, Lalitpur, BAGMATI (25 outbreaks)
      • Date of start of the outbreak 17/08/2013
      • Outbreak status Resolved (29/09/2013)
      • Epidemiological unit Farm
      • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
        • Birds - 15000 ? 688 ? 688 ? 14312 ? 0
        • Affected population:
          • Commercial broilers, layers and parent stock birds were culled in Lubhu Lamatar, Thaiba, Sainbu, Bhaisepati area of Lalitpur District.
          • The birds were culled based on epidemiological link with the on-going outbreaks.
    • Outbreak 6 - Pangretar VDC 7, Pangretar, Sindhulpalchowk, BHERI
      • Date of start of the outbreak 19/08/2013
      • Outbreak status Resolved (27/08/2013)
      • Epidemiological unit Farm
      • Affected animals: Species - Susceptible ? Cases ? Deaths ? Destroyed - Slaughtered
        • Birds - 2000 ? 724 ? 724 ? 1276 ? 0
        • Affected population:
          • Broiler birds of 42 days were affected and the birds reared close to the infected farm were also culled based on epidemiological link.
    • Outbreak cluster 7 - Ugrachandi, Banepa MP, Nasika, Patalekhet, Tukucha Nala Area, Ugrachandi, Banepa MP, Nasika, Patalekhet, Tukucha Nala Area, Kavre, BAGMATI (15 outbreaks)
      • Date of start of the outbreak 21/08/2013
      • Outbreak status Resolved (10/10/2013)
      • Epidemiological unit Farm
      • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
        • Birds - 220000 ? 6553 ? 6553 ? 213447 ? 0
        • Affected population:
          • Commercial broilers, layers and parent stock birds were culled in Ugratara, Ugrachandi, Nala, Banepa MP, Nasika, Patalekhet area of Kavre District.
          • The affected birds were closely linked.
          • The birds were culled based on epidemiological link with the on-going outbreaks.
    • Outbreak 8 - Tokha Saraswati VDC 7, Tokha Saraswati VDC, Kathmandu, BAGMATI
      • Date of start of the outbreak 24/08/2013
      • Outbreak status Resolved (01/10/2013)
      • Epidemiological unit Farm
      • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
        • Birds - 25000 ? 1670 ? 1670 ? 23330 ? 0
        • Affected population:
          • Commercial broiler birds were affected and the adjoining farms having broilers, layers and backyard birds were culled.
    • Outbreak 9 - Phutung, Kavresthali VDC 5, Kathmandu, BAGMATI
      • Date of start of the outbreak 14/09/2013
      • Outbreak status Resolved (01/10/2013)
      • Epidemiological unit Farm
      • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
        • Birds - 40000 ? 4529 ? 4529 ? 35471 ? 0
        • Affected population:
          • Broiler parent stock raised in close deep litter system was affected and all affected birds including hatching eggs in the incubator were destroyed.
  • Summary of outbreaks
    • Total outbreaks: 85
      • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
        • Birds ? 1416000 ? 43691 ? 43691 ? 1372309 ? 0
      • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
        • Birds - 3.09% - 3.09% - 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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