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

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

    [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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