5/27/2013

Highly pathogenic avian influenza H5N1, Nepal (OIE World Animal Health Information System, May 27 2013, edited)

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

Highly pathogenic avian influenza H5N1, Nepal

Information received on 26/05/2013 from Dr Nar Bahadur Rajwar, Director General, Department of Livestock Services, Department of Livestock Services, Lalitpur, Nepal

  • Summary
    • Report type Follow-up report No. 8
    • Date of start of the event 27/08/2012
    • Date of pre-confirmation of the event 03/09/2012
    • Report date 26/05/2013
    • Date submitted to OIE 26/05/2013
    • 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)
  • New outbreaks (32)
    • Outbreak 1  - Gadariya, Gadariya VDC 9, Kailali, SETI
      • Date of start of the outbreak 11/04/2013
      • Outbreak status Resolved (18/04/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible  - Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 1500 – 259 – 259 – 1241 – 0
        • Affected population Commercial broiler chicken raised in a closed farm premises
    • Outbreak 2  - Prithivinagar 5, Prithivinagar, Jhapa, MECHI
      • Date of start of the outbreak 12/04/2013
      • Outbreak status Resolved (16/04/2013)
      • Epidemiological unit Village
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 60 – 14 – 14 – 46 – 0
        • Affected population Backyard birds raised in free range system
    • Outbreak 3  - Chandragadi 4, Chandragadi, Jhapa, MECHI
      • Date of start of the outbreak 14/04/2013
      • Outbreak status Resolved (18/05/2013)
      • Epidemiological unit Village
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 52 – 11 – 11 – 41 – 0
        • Affected population Backyard chicken raised in free range system
    • Outbreak 4  - Mechinagar 11, Mechinagar, Jhapa, MECHI
      • Date of start of the outbreak 14/04/2013
      • Outbreak status Resolved (18/04/2013)
      • Epidemiological unit Village
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 102 – 20 – 20 – 82 – 0
        • Affected population Backyard chicken and duck reared in free range system
    • Outbreak 5  - Bhadrapur 8, Bhadrapur, Jhapa, MECHI
      • Date of start of the outbreak 14/04/2013
      • Outbreak status Resolved (19/04/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 500 – 107 – 107 – 393 – 0
        • Affected population A commercial broiler flock raised in closed housing system
    • Outbreak 6  - Bharatpur 9, Bharatpur, Chitwan, NARAYANI
      • Date of start of the outbreak 17/04/2013
      • Outbreak status Resolved (20/04/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 60000 – 33675 – 33675 – 26325 – 0
        • Affected population A large commercial layer farm raised in deep litter system
    • Outbreak 7  - Mangalpur 7, Mangalpur, Chitwan, NARAYANI
      • Date of start of the outbreak 18/04/2013
      • Outbreak status Resolved (20/04/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 4000 – 775 – 775 – 3225 – 0
        • Affected population A commercial layer farm raised in deep litter system
    • Outbreak 8  - Mechinagar 10, Kakarvitta, Jhapa, MECHI
      • Date of start of the outbreak 18/04/2013
      • Outbreak status Resolved (21/04/2013)
      • Epidemiological unit Not applicable
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • House Crow: Corvus splendens(Corvidae)  - … – 1 – 1 – 0 – 0
        • Affected population A wild crow found dead in the premises of custom office at Nepal-India border
    • Outbreak 9  - Mangalpur 5, Mangalpur, Chitwan, NARAYANI
      • Date of start of the outbreak 19/04/2013
      • Outbreak status Resolved (22/04/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 3500 – 275 – 275 – 3225 – 0
        • Affected population A commercial layer farm in deep litter system
    • Outbreak 10  - Chandragadi 1, Chandragadi, Jhapa, MECHI
      • Date of start of the outbreak 19/04/2013
      • Outbreak status Resolved (23/04/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds   - 200 – 49 – 49 – 151 – 0
        • Affected population A commercial broiler birds in deep litter system
    • Outbreak 11  - Prithivinagar 5, Prithivinagar, Jhapa, MECHI
      • Date of start of the outbreak 19/04/2013
      • Outbreak status Resolved (23/04/2013)
      • Epidemiological unit Village
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 2000 – 562 – 562 – 1438 – 0
        • Affected population Backyard chicken and ducks in whole village
    • Outbreak 12  - Pokharvindi 7, Pokharvindi, Rupandehi, LUMBINI
      • Date of start of the outbreak 19/04/2013
      • Outbreak status Resolved (23/04/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 500 – 163 – 163 – 337 – 0
        • Affected population A commercial broiler flock in deep litter system
    • Outbreak 13  - Bharatpur 9, Bharatpur, Chitwan, NARAYANI
      • Date of start of the outbreak 19/04/2013
      • Outbreak status Resolved (22/04/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 3300 – 426 – 426 – 2874 – 0
        • Affected population A commercial layer farm in deep litter system
    • Outbreak 14  - Pokharvindi 2, Pokharvindi, Rupandehi, LUMBINI
      • Date of start of the outbreak 21/04/2013
      • Outbreak status Resolved (26/04/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 250 – 50 – 50 – 200 – 0
        • Affected population A commercial broiler farm in deep litter system
    • Outbreak 15  - Baharatpur 1, Ramnagar, Chitwan, NARAYANI
      • Date of start of the outbreak 23/04/2013
      • Outbreak status Resolved (29/04/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 3000 – 640 – 640 – 2360 – 0
        • Affected population A commercial broiler parent farm in deep litter system
    • Outbreak 16  - Chapagaun 2, Chapagaun, Lalitpur, BAGMATI
      • Date of start of the outbreak 23/04/2013
      • Outbreak status Resolved (27/04/2013)
      • Epidemiological unit Village
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 20 – 7 – 7 – 13 – 0
        • Affected population Backyard chicken and ducks raised in a household
    • Outbreak 17  - Dhapakhel 1, Dhapakhel, Lalitpur, BAGMATI
      • Date of start of the outbreak 23/04/2013
      • Outbreak status Resolved (27/04/2013)
      • Epidemiological unit Farm
      • Affected animals:  Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 600 – 110 – 110 – 490 – 0
        • Affected population A commercial broiler farm in deep litter system
    • Outbreak 18  - Mangalpur 8, Mangalpur, Chitwan, NARAYANI
      • Date of start of the outbreak 25/04/2013
      • Outbreak status Resolved (30/04/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 1500 – 382 – 382 – 1118 – 0
        • Affected population A commercial layer farm in deep litter system
    • Outbreak 19  - Mangalpur 5, Mangalpur, Chitwan, NARAYANI
      • Date of start of the outbreak 29/04/2013
      • Outbreak status Resolved (02/05/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 2000 – 525 – 525 – 1475 – 0
        • Affected population A commercial layer farm in deep litter system
    • Outbreak 20  - Mangalpur 5, Mangalpur, Chitwan, NARAYANI
      • Date of start of the outbreak 30/04/2013
      • Outbreak status Resolved (04/05/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 9200 – 450 – 450 – 8750 – 0
        • Affected population Commercial layers in deep litter system
    • Outbreak 21  - Mangalpur 5, Mangalpur, Chitwan, NARAYANI
      • Date of start of the outbreak 30/04/2013
      • Outbreak status Resolved (03/05/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 9000 – 983 – 983 – 8017 – 0
        • Affected population A commercial layer farm in deep litter system
    • Outbreak 22  - Mulpani, Mulpani 3, Kathmandu, BAGMATI
      • Date of start of the outbreak 06/05/2013
      • Outbreak status Resolved (13/05/2013)
      • Epidemiological unit Farm
      • Affected animals:  Species – Susceptible – Cases  - Deaths – Destroyed – Slaughtered
        • Birds  - 2000 – 535 – 535 – 1465 – 0
        • Affected population A commercial layer farm raised in deep litter system with birds of several ages
    • Outbreak 23  - Marchabar 8, Marchabar, Rupandehi, LUMBINI
      • Date of start of the outbreak 07/05/2013
      • Outbreak status Resolved (14/05/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 200 – 194 – 194 – 6 – 0
        • Affected population A commercial broiler farm in deep litter system
    • Outbreak 24  - Mangalpur 3, Mangalpur, Chitwan, NARAYANI
      • Date of start of the outbreak 08/05/2013
      • Outbreak status Resolved (12/05/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 1000 – 224 – 224  - 776 – 0
        • Affected population A commercial layer farm in deep litter system
    • Outbreak 25  - Lekhnath 13, Tallo Gagangauda, Kaski, GANDAKI
      • Date of start of the outbreak 08/05/2013
      • Outbreak status Resolved (14/05/2013)
      • Epidemiological unit Farm
      • Affected animals:  Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 750 – 195 – 195 – 555 – 0
        • Affected population Giriraj birds raised for meat purpose in deep litter system
    • Outbreak 26  - Manikhel 1, Manikhel, Lalitpur, BAGMATI
      • Date of start of the outbreak 09/05/2013
      • Outbreak status Resolved (14/05/2013)
      • Epidemiological unit Farm
      • Affected animals:  Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 3150 – 262 – 262 – 2888 – 0
        • Affected population A commercial broiler of 42 days of age raised in deep litter system
    • Outbreak 27  - Mangalpur 9, Mangalpur, Chitwan, NARAYANI
      • Date of start of the outbreak 11/05/2013
      • Outbreak status Resolved (14/05/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 5000 – 422 – 422 – 4578 – 0
        • Affected population A commercial layer parent stock in deep litter system
    • Outbreak 28  - Kirtipur N P 1, Tangla, Kathmandu, BAGMATI
      • Date of start of the outbreak 12/05/2013
      • Outbreak status Resolved (15/05/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 250 – 55 – 55 – 195 – 0
        • Affected population A commercial broiler farm in deep litter system raised in household
    • Outbreak 29  - Mangalpur 3, Mangalpur, Chitwan, NARAYANI
      • Date of start of the outbreak 13/05/2013
      • Outbreak status Resolved (16/05/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 2000 – 280 – 280 – 1720 – 0
        • Affected population A commercial layer farm in deep litter system
    • Outbreak 30  - Dhapasi 6, Dhapasi, Kathmandu, BAGMATI
      • Date of start of the outbreak 17/05/2013
      • Outbreak status Resolved (21/05/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 900 – 90 – 90 – 810 – 0
        • Affected population A commercial mixed farm having chicken and duck in deep litter system
    • Outbreak 31  - Mangalpur 3, Mangalpur, Chitwan, NARAYANI
      • Date of start of the outbreak 19/05/2013
      • Outbreak status Resolved (21/05/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 1800 – 378 – 378 – 1422 – 0
        • Affected population A commercial layer flock in deep litter system
    • Outbreak 32  - Mangalpur 3, Mangalpur, Chitwan, NARAYANI
      • Date of start of the outbreak 20/05/2013
      • Outbreak status Resolved (22/05/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds  - 4000 – 535 – 535 – 3465 – 0
        • Affected population A commercial layer flock in deep litter system
  • Summary of outbreaks
    • Total outbreaks: 32
      • Total animals affected: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 122334 – 42653 – 42653 – 79681 – 0
        • House Crow: Corvus splendens(Corvidae)  - … – 1 – 1 – 0 – 0
      • Outbreak statistics:  Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
        • Birds - 34.87% - 34.87% - 100.00% - 100.00%
        • House Crow: Corvus splendens(Corvidae) – ** – ** - 100.00% – **
        • *Removed from the susceptible population through death, destruction and/or slaughter
        • **Not calculated because of missing information
  • 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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