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Mexico - 6 new outbreaks of highly pathogenic avian influenza H7N3 in birds (OIE, April 22, 2016)

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  • Mexico - 6 new outbreaks of highly pathogenic avian influenza H7N3 in birds (OIE, April 22, 2016)

    Highly pathogenic avian influenza,
    Mexico
    Information received on 22/04/2016 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. 3
    Date of start of the event 09/03/2015
    Date of confirmation of the event 09/03/2015
    Report date 22/04/2016
    Date submitted to OIE 22/04/2016
    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 Clinical, Laboratory (basic)
    This event pertains to the whole country
    Related reports Immediate notification (08/04/2015)
    Follow-up report No. 1 (03/03/2016)
    Follow-up report No. 2 (08/04/2016)
    Follow-up report No. 3 (22/04/2016)
    New outbreaks (6)
    Outbreak 1 Nogales, Nogales, VERACRUZ
    Date of start of the outbreak 05/04/2016
    Outbreak status Resolved (06/04/2016)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 10000 500 200 9800 0
    Affected population Heavy breeding poultry
    Outbreak 2 Jalacingo, Jalacingo, VERACRUZ
    Date of start of the outbreak 05/04/2016
    Outbreak status Resolved (08/04/2016)
    Epidemiological unit Backyard
    Affected animals
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 8 7 7 1 0
    Affected population Backyard poultry
    Outbreak 3 Tepanco de L?pez, Tepanco de L?pez, PUEBLA
    Date of start of the outbreak 05/04/2016
    Outbreak status Resolved (05/04/2016)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 500 313 313 187 0
    Affected population Broilers
    Outbreak 4 Putla Villa de Guerrero, Putla Villa de Guerrero, OAXACA
    Date of start of the outbreak 09/04/2016
    Outbreak status Resolved (09/04/2016)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 1300 1203 1203 97 0
    Affected population Broilers
    Outbreak 5 Acatic, Acatic, JALISCO
    Date of start of the outbreak 12/04/2016
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 161000 1 0 0 0
    Affected population Growing layers
    Outbreak 6 Tepanco de L?pez, Tepanco de L?pez, PUEBLA
    Date of start of the outbreak 20/04/2016
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Backyard
    Affected animals
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 5 5 0 0 0
    Affected population Broilers
    Summary of outbreaks Total outbreaks: 6
    Total animals affected
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 172813 2029 1723 10085 0
    Outbreak statistics
    Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
    Birds 1.17% 1.00% 84.92% 6.83%
    *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 An infected farm of 500 broilers and a backyard were identified in the municipality of Tepanco de L?pez, Puebla. In the State of Veracruz, an infected farm of 10.000 heavy breeders was notified in the municipality of Nogales, and a positive backyard was detected in the municipality of Jalacingo within the framework of the active surveillance; it has now been depopulated. A positive farm of 161.000 layers was identified, in the municipality of Acatic, Jalisco. The owner of a broilers business notified abnormal mortality among his birds, in Putla Villa de Guerrero, Oaxaca. The animals? production unit was immediately put under quarantine and has now been depopulated. Epidemiological investigation and epidemiological sampling are on-going in the perifocal area, and depopulation of the infected production units is on-going within those States.
    Control measures
    Measures applied
    • Movement control inside the country
    • Screening
    • Disinfection / Disinfestation
    • Quarantine
    • Zoning
    • Vaccination prohibited
    • No treatment of affected animals
    Measures to be applied
    • Stamping out
    • Official disposal of carcasses, by-products and waste
    Future Reporting
    The event is continuing. Weekly follow-up reports will be submitted.
    .../

    http://www.oie.int/wahis_2/public/wa...reportid=20071
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