Low pathogenic avian influenza (poultry) H7N3, Mexico (OIE, March 24 2014): imported parakeets from S. America

[Giuseppe]

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


Low pathogenic avian influenza (poultry) H7N3, Mexico


Information received on 22/03/2014 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 Immediate notification
  • Date of start of the event 13/02/2014
  • Date of pre-confirmation of the event 28/02/2014
  • Report date 22/03/2014
  • Date submitted to OIE 22/03/2014
  • Reason for notification New strain of a listed disease
  • Manifestation of disease Sub-clinical infection
  • Causal agent Low pathogenic avian influenza virus
  • Serotype H7N3
  • Nature of diagnosis Laboratory (advanced)
  • This event pertains to a defined zone within the country
• New outbreaks
  • Summary of outbreaks
    • Total outbreaks: 1
      • Outbreak Location - NUEVO LEON (Pesqueria, Pesqueria)
        • Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
          • Birds - 1987 - ** - 0 - 1987 - 0
        • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
          • Birds - ** - 0.00% - ** - 100.00%
          • * 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
    • Legal movement of animals
• Epidemiological comments
  • Following the epidemiological surveillance activities on notifiable avian influenza within the national poultry farming and in poultry for import, low pathogenic avian influenza subtype H7N3 virus has been identified in a lot of monk parakeets (Myiopsitta M. monachus) imported from South America, using virus identification test, virus isolation, intracerebral pathogenicity index (ICPI) and gene sequencing.
  • Birds have been quarantined and depopulation, washing, cleaning and disinfection activities as well as the introduction of sentinel birds have been implemented in the affected production unit.
• Control measures
  • Measures applied
    • Stamping out
    • Quarantine
    • Movement control inside the country
    • Screening
    • Disinfection of infected premises/establishment(s)
    • Vaccination prohibited
    • No treatment of affected animals
  • Measures to be applied
    • No other measures
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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