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Mexican authorities confirmed bird flu outbreak in Guanajuato - H7

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  • Mexican authorities confirmed bird flu outbreak in Guanajuato - H7

    Source: http://www.google.com/hostednews/afp...aabfb1bc78.5c1

    Mexico to slaughter a half million chickens over bird flu
    (AFP) ? 17 minutes ago

    ...Poultry producer Bachoco reported a possible case of H7N3 influenza in five breeder farms late Wednesday, which agriculture ministry officials confirmed on Friday...

  • #2
    Mexican authorities confirmed bird flu outbreak in Guanajuato - H7

    Mexican authorities confirmed bird flu outbreak in Guanajuato
    | | |
    Posted: February. 17, 2013

    MEXICO CITY, Mexico, in February. 16 (UPI) - The Ministry of Agriculture (SAGARPA) of Mexico confirmed the presence of a bird-flu outbreak harmless to humans, in the municipalities of San Felipe, Dolores Hidalgo and San Luis de la Paz, the state of Guanajuato, which are due to some 720,000 birds slaughtered.

    More: UPI - Espanol

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    • #3
      Re: Mexican authorities confirmed bird flu outbreak in Guanajuato - H7

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


      Highly pathogenic avian influenza, Mexico


      Information received on 19/02/2013 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 Immediate notification
        • Date of start of the event 12/02/2013
        • Date of pre-confirmation of the event 17/02/2013
        • Report date 18/02/2013
        • Date submitted to OIE 19/02/2013
        • Reason for notification First occurrence of a listed disease
        • Manifestation of disease Clinical disease
        • Causal agent Highly pathogenic avian influenza virus
        • Serotype H7N3
        • Nature of diagnosis Laboratory (basic), Laboratory (advanced)
        • This event pertains to a defined zone within the country
      • New outbreaks (9)
        • Outbreak 1 - Dolores Hidalgo, Dolores Hidalgo, GUANAJUATO
          • Date of start of the outbreak 12/02/2013
          • Outbreak status Continuing (or date resolved not provided)
          • Epidemiological unit Farm
          • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
            • Birds - 40000 ? 2000 ? 250 ? 39750 ? 0
        • Outbreak 2 - Dolores Hidalgo, Dolores Hidalgo, GUANAJUATO
          • Date of start of the outbreak 12/02/2013
          • Outbreak status Continuing (or date resolved not provided)
          • Epidemiological unit Farm
          • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
            • Birds - 35000 ? 5000 ? 1500 ? 33500 ? 0
        • Outbreak 3 - Dolores Hidalgo, Dolores Hidalgo, GUANAJUATO
          • Date of start of the outbreak 12/02/2013
          • Outbreak status Continuing (or date resolved not provided)
          • Epidemiological unit Farm
          • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
            • Birds - 61242 ? 5500 ? 5088 ? 56154 ? 0
        • Outbreak 4 - San Luis de La Paz, San Luis de La Paz, GUANAJUATO
          • Date of start of the outbreak 12/02/2013
          • Outbreak status Continuing (or date resolved not provided)
          • Epidemiological unit Farm
          • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
            • Birds - 210000 ? 7500 ? 5000 ? 205000 ? 0
        • Outbreak 5 - Dolores Hidalgo, Dolores Hidalgo, GUANAJUATO
          • Date of start of the outbreak 12/02/2013
          • Outbreak status Continuing (or date resolved not provided)
          • Epidemiological unit Farm
          • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
            • Birds - 40000 ? 9000 ? 3500 ? 36500 ? 0
        • Outbreak 6 - Dolores Hidalgo, Dolores Hidalgo, GUANAJUATO
          • Date of start of the outbreak 12/02/2013
          • Outbreak status Continuing (or date resolved not provided)
          • Epidemiological unit Farm
          • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
            • Birds - 40000 ? 5000 ? 2000 ? 38000 ? 0
        • Outbreak 7 - Juventino Rosas, Juventino Rosas, GUANAJUATO
          • Date of start of the outbreak 12/02/2013
          • Outbreak status Continuing (or date resolved not provided)
          • Epidemiological unit Farm
          • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
            • Birds - 108500 ? 452 ? 450 ? 108050 ? 0
        • Outbreak 8 - Dolores Hidalgo, Dolores Hidalgo, GUANAJUATO
          • Date of start of the outbreak 12/02/2013
          • Outbreak status Continuing (or date resolved not provided)
          • Epidemiological unit Farm
          • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
            • Birds - 40000 ? 18000 ? 16000 ? 24000 ? 0
        • Outbreak 9 - San Felipe, San Felipe, GUANAJUATO
          • Date of start of the outbreak 12/02/2013
          • Outbreak status Continuing (or date resolved not provided)
          • Epidemiological unit Farm
          • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
            • Birds - 73000 ? 1101 ? 1101 ? 71899 ? 0
      • Summary of outbreaks
        • Total outbreaks: 9
          • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
            • Birds ? 647742 ? 53553 ? 34889 ? 612853 ? 0
          • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
            • Birds - 8.27% - 5.39% - 65.15% - 100.00%
            • *Removed from the susceptible population through death, destruction and/or slaughter
      • Epidemiology
        • Source of the outbreak(s) or origin of infection
          • Unknown or inconclusive
      • Epidemiological comments
        • On 13 February 2013, an increase of mortality in breeding hens in the State of Guanajuato was reported to SENASICA.
        • The event apparently began suddenly on 12 February 2013; later, the following clinical signs were observed: edema, cyanosis and palpebral, comb and chin swelling, diarrhea, dyspnea, shell-less or rough-shelled eggs and sudden death.
        • SENASICA immediately went to the affected farms and to those located in the outbreak area and around the outbreaks in order to start analyzing the situation.
        • Virological and serological samples were taken and sent to both the regional and the national laboratory of SENASICA.
        • On 17 February 2013, positive results were obtained by viral isolation of the highly pathogenic notifiable avian influenza virus, H7N3 subtype.
        • During the epidemiological investigation, nine outbreaks of highly pathogenic H7N3 avian influenza were identified in the State of Guanajuato.
        • The outbreaks occurred in seven breeder farms and in two commercial layer farms.
        • The affected population was 647,742 birds, of which 34,889 died and 53,553 were ill.
        • The affected breeder farms are located in the municipalities of San Felipe (1) and of Dolores Hidalgo (6), while commercial layer farms are in the municipalities of San Luis de La Paz (1) and of Juventino Rosas (1), all in the State of Guanajuato.
        • In addition to the depopulation activities, a preventive vaccination was launched in breeder and layer farms in the State of Guanajuato.
        • The epidemiological investigation is ongoing and the first results suggest the introduction of the virus through fomites and biosecurity failures.
      • Control measures
        • Measures applied
          • Stamping out
          • Quarantine
          • Movement control inside the country
          • Screening
          • Zoning
          • Vaccination in response to the outbreak (s): Administrative division ? Species - Total Vaccinated ? Details
            • GUANAJUATO ? Birds ? 5512080 - Commercial layer and breeder poultry
          • Disinfection of infected premises/establishment(s)
          • No treatment of affected animals
        • Measures to be applied
          • No other measures
      • Diagnostic test results
        • Laboratory name and type ? Species ? Test - Test date ? Result
          • Biosecurity Laboratory Level 3, SENASICA (National laboratory) ? Birds - virus isolation - 17/02/2013 ? Positive
      • Future Reporting
        • The event is continuing. Weekly follow-up reports will be submitted.
      -
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