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


Highly pathogenic avian influenza H7N3, Mexico


Information received on 31/08/2013 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. 10
    • Date of start of the event 03/01/2013
    • Date of pre-confirmation of the event 07/01/2013
    • Report date 31/08/2013
    • Date submitted to OIE 31/08/2013
    • 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)
      • Follow-up report No. 9 (12/08/2013)
      • Follow-up report No. 10 (31/08/2013)
  • New outbreaks (2)
    • Outbreak 1 - Valle de Santiago, Valle de Santiago, GUANAJUATO
      • Date of start of the outbreak 12/08/2013
      • Outbreak status Resolved (20/08/2013)
      • Epidemiological unit Village
      • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
        • Birds - 5 ? 1 ? 0 - 5 ? 0
        • Affected population Quails
    • Outbreak 2 - Lagos de Moreno, Lagos de Moreno, JALISCO
      • Date of start of the outbreak 19/08/2013
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Farm
      • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
        • Birds - 10000 - ? ? 0 ? 0 ? 0
        • Affected population Layers farm
  • Summary of outbreaks
    • Total outbreaks: 2
      • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
        • Birds ? 10005 ? 1 ** ? 0 ? 5 ? 0
      • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate -Proportion susceptible animals lost*
        • Birds ? ** - 0.00% ? ** - 0.05%
        • *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
    • Two new outbreaks have been detected:
      • one in a layers farm in Lagos de Moreno, Jalisco, with a susceptible population of 10,000 birds;
      • another one in a backyard farm with five quails, in Valle de Santiago, Guanajuato. Control measures previously applied are still on-going, including vaccination of birds at risk, as well as epidemiological surveillance at national level.
  • 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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