Announcement

Collapse
No announcement yet.

Highly pathogenic avian influenza H7N3, Mexico (OIE, September 18 2012): 3 New Poultry Outbreaks, Jalisco

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • Highly pathogenic avian influenza H7N3, Mexico (OIE, September 18 2012): 3 New Poultry Outbreaks, Jalisco

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


    Highly pathogenic avian influenza, Mexico


    Information received on 17/09/2012 from Dr Hugo Fragoso S?nchez, 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 (SAGARPA), Mexico, Mexico
    • Summary
      • Report type Follow-up report No. 7
        • Date of start of the event 13/06/2012
        • Date of pre-confirmation of the event 21/06/2012
        • Report date 17/09/2012
        • Date submitted to OIE 17/09/2012
        • Reason for notification Reoccurrence of a listed disease
        • Date of previous occurrence 06/1995
        • 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
      • Related reports
        • Immediate notification (21/06/2012)
        • Follow-up report No. 1 (25/06/2012)
        • Follow-up report No. 2 (02/07/2012)
        • Follow-up report No. 3 (10/07/2012)
        • Follow-up report No. 4 (16/07/2012)
        • Follow-up report No. 5 (24/07/2012)
        • Follow-up report No. 6 (02/08/2012)
        • Follow-up report No. 7 (17/09/2012)
    • New outbreaks (3)
      • Outbreak 1 (42) - San Ignacio Cerro Gordo, foco 42, San Ignacio Cerro Gordo, JALISCO
        • Date of start of the outbreak 13/08/2012
        • Outbreak status Resolved (20/08/2012)
        • Epidemiological unit Farm
        • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
          • Birds - 477930 ? 1 ? 0 ? 477930 ? 0
      • Outbreak 2 (44) - Tepatitlan de Morelos, foco 44, Tepatitlan de Morelos, JALISCO
        • Date of start of the outbreak 20/08/2012
        • Outbreak status Continuing (or date resolved not provided)
        • Epidemiological unit Farm
        • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
          • Birds - 134400 ? 86567 ? 86567 ? 0 ? 0
      • Outbreak 3 (43) - Tepatitlan de Morelos, foco 43, Tepatitlan de Morelos, JALISCO
        • Date of start of the outbreak 20/08/2012
        • Outbreak status Continuing (or date resolved not provided)
        • Epidemiological unit Farm
        • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
          • Birds - 477930 ? 1 ? 0 ? 0 ? 0
    • Summary of outbreaks
      • Total outbreaks: 3
        • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
          • Birds ? 1090260 ? 86569 ? 86567 ? 477930 ? 0
        • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
          • Birds - 7.94% - 7.94% - 100.00% - 51.78%
          • *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
      • As part of the surveillance activities and the epidemiological investigation carried out in response to the event, the National Food Quality, Food Safety and Health Service (SENASICA) continues to take samples in the focal, perifocal and buffer zones.
      • So far, 537 production units have been sampled.
      • A total of 64,498 samples have been taken and 44 H7N3 isolates have been identified in commercial layer farms and one in wild birds.
      • The focal, perifocal and surveillance zone represents a total surface area of around 31,795km?.
      • During the depopulation activities in the poultry farms, around 11 million birds have been slaughtered and destroyed of an affected 10.5 million bird population.
      • Planned depopulation activities will continue.
      • Control measures on the movement of birds, their products and by-products are still in place in the quarantined area.
      • In addition to the sampling carried out in Jalisco, surveillance activities continue at the national level in poultry and backyard farms.
      • It includes 88,038 serological and virological samples which are processed in the official laboratories.
      • All the results obtained are negative, suggesting that the event is under control and its short-term eradication is expected.
      • As part of the measures to prevent, control and eradicate the virus, a temporary official vaccine programme of birds at risk began on 26 June 2012, through the production and application of an emulsified vaccine manufactured in Mexico by the official sector.
      • Up to 14 September 2012, 125.8 million doses have been applied; these figures include booster vaccination.
      • It is planned to stop vaccination in 60 to 90 days in order to regain quickly the status of country free from highly pathogenic avian influenza since the results of the investigation show an absence of new outbreaks since 4 weeks without isolation of the virus.
    • 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
          • JALISCO ? Birds ? 125852000 - The 125,852,000 doses applied include booster vaccination
        • Disinfection of infected premises/establishment(s)
        • 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.
    -
    -------
Working...
X