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Highly pathogenic avian influenza H7N3, Mexico (OIE, June 12 2013): 8 New Poultry Outbreaks

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  • Highly pathogenic avian influenza H7N3, Mexico (OIE, June 12 2013): 8 New Poultry Outbreaks

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


    Highly pathogenic avian influenza H7N3, Mexico


    Information received on 12/06/2013 from Dr Joaquνn Braulio Delgadillo Αlvarez, Director General de Salud Animal, Servicio Nacional de Sanidad, Inocuidad y Calidad Agroalimentaria (SENASICA) Secretarνa de Agricultura, Ganaderνa, Desarrollo Rural, Pesca y Alimentaciσn, Ministerio de Agricultura, Ganaderνa, Desarrollo rural, Pesca y Alimentaciσn, Mexico, Mexico
    • Summary
      • Report type Follow-up report No. 8
      • Date of start of the event 03/01/2013
      • Date of pre-confirmation of the event 07/01/2013
      • Report date 12/06/2013
      • Date submitted to OIE 12/06/2013
      • Reason for notification Reoccurrence of a listed disease
      • Date of previous occurrence 29/09/2012
      • Manifestation of disease Clinical disease
      • Causal agent Highly pathogenic avian influenza virus
      • Serotype H7N3
      • Nature of diagnosis Clinical, Laboratory (basic)
      • This event pertains to a defined zone within the country
      • Related reports
        • Immediate notification (08/01/2013)
        • Follow-up report No. 1 (16/01/2013)
        • Follow-up report No. 2 (18/02/2013)
        • Follow-up report No. 3 (28/02/2013)
        • Follow-up report No. 4 (23/03/2013)
        • Follow-up report No. 5 (17/04/2013)
        • Follow-up report No. 6 (23/04/2013)
        • Follow-up report No. 7 (07/05/2013)
        • Follow-up report No. 8 (12/06/2013)
    • New outbreaks (8)
      • Outbreak 1 Tehuacan, Tehuacan, PUEBLA
        • Date of start of the outbreak 16/04/2013
        • Outbreak status Continuing (or date resolved not provided)
        • Epidemiological unit Farm
        • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
          • Birds - 296051 - … – 0 – 0 – 0
      • Outbreak 2 - Aguascalientes, Aguascalientes, AGUASCALIENTES
        • Date of start of the outbreak 18/04/2013
        • Outbreak status Resolved (22/04/2013)
        • Epidemiological unit Farm
        • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
          • Birds - 178837 - … – 0 – 178837 – 0
      • Outbreak 3 - San Miguel de Allende, San Miguel de Allende, GUANAJUATO
        • Date of start of the outbreak 30/04/2013
        • Outbreak status Resolved (01/05/2013)
        • Epidemiological unit Farm
        • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
          • Birds - 19747 - … – 0 – 19747 – 0
      • Outbreak 4 - San Diego de la Uniσn 1, San Diego de la Uniσn, GUANAJUATO
        • Date of start of the outbreak 06/05/2013
        • Outbreak status Resolved (07/05/2013)
        • Epidemiological unit Farm
        • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
          • Birds - 59214 - … – 0 – 59214 – 0
      • Outbreak 5 - Aguascalientes, Aguascalientes, AGUASCALIENTES
        • Date of start of the outbreak 06/05/2013
        • Outbreak status Resolved (08/05/2013)
        • Epidemiological unit Farm
        • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
          • Birds - 295193 - … – 0 – 295193 – 0
      • Outbreak 6 - San Diego de la Uniσn, San Diego de la Uniσn 2, GUANAJUATO
        • Date of start of the outbreak 06/05/2013
        • Outbreak status Resolved (08/05/2013)
        • Epidemiological unit Farm
        • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
          • Birds - 62000 - … – 0 – 62000 – 0
      • Outbreak 7 - Tlacotepec de Benito Juarez, Tlacotepec de Benito Juarez, PUEBLA
        • Date of start of the outbreak 16/05/2013
        • Outbreak status Resolved (17/05/2013)
        • Epidemiological unit Village
        • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
          • Birds - 46 – 3 – 0 – 43 – 0
      • Outbreak 8 - Acatic, Acatic, JALISCO
        • Date of start of the outbreak 23/05/2013
        • Outbreak status Resolved (27/05/2013)
        • Epidemiological unit Farm
        • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
          • Birds - 200000 - … – 0 – 200000 – 0
    • Summary of outbreaks
      • Total outbreaks: 8
        • Total animals affected: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
          • Birds – 1111088 - 3 ** – 0 – 815034 – 0
        • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
          • Birds – ** - 0.00% – ** - 73.35%
          • *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
        • Contact with wild species
    • Epidemiological comments
      • Eight new outbreaks have been detected since the previous report in Jalisco (1), Puebla (2), Guanajuato (3) and Aguascalientes (2).
      • Two commercial layer farms, two heavy breeder flocks, three broiler flocks and a backyard farm have been affected.
      • The population involved is 1,049,220 birds.
      • Control measures previously applied are still on-going, including vaccination of birds at risk.
    • Control measures
      • Measures applied
        • Quarantine
        • Movement control inside the country
        • Screening
        • Zoning
        • Vaccination in response to the outbreak (s): Administrative division – Species - Total Vaccinated – Details
          • GUANAJUATO – Birds – 5512080 - Breeder and layer commercial farms
        • Disinfection of infected premises/establishment(s)
        • No treatment of affected animals
      • Measures to be applied
        • Stamping out
    • Future Reporting
      • The event is continuing. Weekly follow-up reports will be submitted.
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