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


Highly pathogenic avian influenza H7N3, Mexico


Information received on 12/06/2013 from Dr Joaqu?n Braulio Delgadillo ?lvarez, Director General de Salud Animal, Servicio Nacional de Sanidad, Inocuidad y Calidad Agroalimentaria (SENASICA) Secretar?a de Agricultura, Ganader?a, Desarrollo Rural, Pesca y Alimentaci?n, Ministerio de Agricultura, Ganader?a, Desarrollo rural, Pesca y Alimentaci?n, 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 Uni?n 1, San Diego de la Uni?n, 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 Uni?n, San Diego de la Uni?n 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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