[Source: OIE, full page: (LINK). Edited.]
Highly pathogenic avian influenza, Mexico
Information received on 23/03/2013 from Dr Joaquín Braulio Delgadillo Álvarez, Director General de Salud Animal, Servicio Nacional de Sanidad, Inocuidad y Calidad Agroalimentaria (SENASICA) Secretaría de Agricultura, Ganadería, Desarrollo Rural, Pesca y Alimentación, Ministerio de Agricultura, Ganadería, Desarrollo rural, Pesca y Alimentación, Mexico, Mexico
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Highly pathogenic avian influenza, Mexico
Information received on 23/03/2013 from Dr Joaquín Braulio Delgadillo Álvarez, Director General de Salud Animal, Servicio Nacional de Sanidad, Inocuidad y Calidad Agroalimentaria (SENASICA) Secretaría de Agricultura, Ganadería, Desarrollo Rural, Pesca y Alimentación, Ministerio de Agricultura, Ganadería, Desarrollo rural, Pesca y Alimentación, Mexico, Mexico
- Summary
- Report type Follow-up report No. 4
- Date of start of the event 03/01/2013
- Date of pre-confirmation of the event 07/01/2013
- Report date 23/03/2013
- Date submitted to OIE 23/03/2013
- 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), Laboratory (advanced)
- 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)
- New outbreaks (13)
- Outbreak 1 - Tepatitán de Morelos, Tepatitlán de Morelos, JALISCO
- 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 - 178029 – 3000 – 3000 – 0 – 0
- Affected population Four commercial flocks of layers
- Outbreak 2 - Dolores Hidalgo, Dolores Hidalgo, GUANAJUATO
- Date of start of the outbreak 15/02/2013
- Outbreak status Continuing (or date resolved not provided)
- Epidemiological unit Farm
- Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
- Birds - 38739 – 6081 – 5125 – 0 – 0
- Outbreak 3 - Lagos de Moreno, Lagos de Moreno, JALISCO
- Date of start of the outbreak 19/02/2013
- Outbreak status Continuing (or date resolved not provided)
- Epidemiological unit Farm
- Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
- Birds - 1752391 – 396200 – 388499 – 0 – 0
- Affected population 15 flocks of broilers
- Outbreak 4 - Encarnación de Díaz, Encarnación de Díaz, JALISCO
- Date of start of the outbreak 20/02/2013
- Outbreak status Continuing (or date resolved not provided)
- Epidemiological unit Farm
- Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
- Birds - 374699 – 39644 – 7100 – 0 – 0
- Affected population Two flocks of broilers
- Outbreak 5 - Lagos de Moreno, Lagos de Moreno, JALISCO
- Date of start of the outbreak 20/02/2013
- Outbreak status Continuing (or date resolved not provided)
- Epidemiological unit Farm
- Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
- Birds - 2000 – 100 – 100 – 0 – 0
- Affected population A commercial flock of layer Japanese quails
- Outbreak 6 - Juventino Rosas, Juventino Rosas, GUANAJUATO
- Date of start of the outbreak 25/02/2013
- Outbreak status Continuing (or date resolved not provided)
- Epidemiological unit Village
- Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
- Birds - 43 – 3 – 3 – 0 – 0
- Outbreak 7 - Dolores Hidalgo, Dolores Hidalgo, GUANAJUATO
- Date of start of the outbreak 25/02/2013
- Outbreak status Continuing (or date resolved not provided)
- Epidemiological unit Farm
- Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
- Birds - 34317 – 16699 – 329 – 0 – 0
- Outbreak 8 - Tepatitlán de Morelos, Tepatitlán de Morelos, JALISCO
- Date of start of the outbreak 25/02/2013
- Outbreak status Continuing (or date resolved not provided)
- Epidemiological unit Farm
- Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
- Birds - 10 – 3 – 2 – 0 – 0
- Affected population Backyard poultry
- Outbreak 9 - Dolores Hidalgo, Dolores Hidalgo, GUANAJUATO
- Date of start of the outbreak 25/02/2013
- Outbreak status Continuing (or date resolved not provided)
- Epidemiological unit Farm
- Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
- Birds - 7452 – 2100 – 1405 – 0 – 0
- Outbreak 10 - San Miguel de Allende, San Miguel de Allende, GUANAJUATO
- Date of start of the outbreak 26/02/2013
- Outbreak status Continuing (or date resolved not provided)
- Epidemiological unit Farm
- Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
- Birds - 42719 – 9464 – 944 – 0 – 0
- Outbreak 11 - Comonfort, Comonfort, GUANAJUATO
- Date of start of the outbreak 27/02/2013
- Outbreak status Continuing (or date resolved not provided)
- Epidemiological unit Farm
- Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
- Birds - 22900 - … - 0 – 0 – 0
- Outbreak 12 - Unión de San Antonio, Unión de San Antonio, JALISCO
- Date of start of the outbreak 27/02/2013
- Outbreak status Continuing (or date resolved not provided)
- Epidemiological unit Farm
- Affected animals: Species – Susceptible – Cases – Deaths – Destroyed - Slaughtered
- Birds - 11 – 6 – 0 – 0 – 0
- Affected population Backyard poultry
- Outbreak 13 - San Miguel de Allende, San Miguel de Allende, GUANAJUATO
- Date of start of the outbreak 28/02/2013
- Outbreak status Continuing (or date resolved not provided)
- Epidemiological unit Village
- Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
- Birds - 70 – 6 – 2 – 0 – 0
- Outbreak 1 - Tepatitán de Morelos, Tepatitlán de Morelos, JALISCO
- Summary of outbreaks
- Total outbreaks: 13
- Total animals affected: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
- Birds – 2453380 - 473306 ** – 406509 – 0 – 0
- Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
- Birds – ** - 16.57% – ** - 16.57%
- *Removed from the susceptible population through death, destruction and/or slaughter
- **Not calculated because of missing information
- Total animals affected: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
- Total outbreaks: 13
- Epidemiology
- Source of the outbreak(s) or origin of infection
- Unknown or inconclusive
- Source of the outbreak(s) or origin of infection
- Epidemiological comments
- Following the epidemiological investigation on the event occurred in Guanajuato, 7 outbreaks due to highly pathogenic avian influenza virus were identified (5 heavy breeder farms and 2 backyards) with a total affected population of 146,240 birds.
- These outbreaks were located in the municipalities of Dolores Hidalgo (4), Juventino Rosas (1) and San Miguel de Allende (2).
- In Jalisco, 2 outbreaks in broiler farms, one in Lagos de Moreno (15 flocks) and another in Encarnación de Díaz (2 flocks) were identified.
- In commercial layer farms, one outbreak was identified in Tepatitlán de Morelos (4 flocks), one in quails (Lagos de Moreno) and 2 in backyards (Tepatitlán de Morelos and Unión de San Antonio).
- The affected population is 2,307,140 birds.
- Simultaneously, depopulation activities have begun in the affected farms and preventive vaccination is still on-going in high risk birds.
- From January to 15 March 2013, 44.6 million doses were applied.
- 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
- Measures applied
- Future Reporting
- The event is continuing. Weekly follow-up reports will be submitted.
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