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

[Giuseppe]

[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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