Highly pathogenic avian influenza H7N3, Mexico (OIE, September 2 2013): 2 New Outbreaks

[Giuseppe]

[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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