Highly pathogenic avian influenza,
Mexico
Information received on 12/06/2013 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. 8
Date of start of the event 03/01/2013
Date of pre-confirmation of the event 07/01/2013
Report date 12/06/2013
Date submitted to OIE 12/06/2013
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)
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)
Follow-up report No. 5 (17/04/2013)
Follow-up report No. 6 (23/04/2013)
Follow-up report No. 7 (07/05/2013)
Follow-up report No. 8 (12/06/2013)
Follow-up report No. 9 (12/08/2013)
Follow-up report No. 10 (31/08/2013)
Follow-up report No. 11 (19/05/2014)
New outbreaks (8)
Outbreak 1 Tehuacan, Tehuacan, PUEBLA
Date of start of the outbreak 16/04/2013
Outbreak status Resolved (20/12/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 296051 0 296051 0
Outbreak 2 Aguascalientes, Aguascalientes, AGUASCALIENTES
Date of start of the outbreak 18/04/2013
Outbreak status Resolved (22/04/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 178837 0 178837 0
Outbreak 3 San Miguel de Allende, San Miguel de Allende, GUANAJUATO
Date of start of the outbreak 30/04/2013
Outbreak status Resolved (01/05/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 19747 0 19747 0
Outbreak 4 San Diego de la Unión, San Diego de la Unión 2, GUANAJUATO
Date of start of the outbreak 06/05/2013
Outbreak status Resolved (08/05/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 62000 0 62000 0
Outbreak 5 San Diego de la Unión 1, San Diego de la Unión, GUANAJUATO
Date of start of the outbreak 06/05/2013
Outbreak status Resolved (07/05/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 59214 0 59214 0
Outbreak 6 Aguascalientes, Aguascalientes, AGUASCALIENTES
Date of start of the outbreak 06/05/2013
Outbreak status Resolved (08/05/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 295193 0 295193 0
Outbreak 7 Tlacotepec de Benito Juarez, Tlacotepec de Benito Juarez, PUEBLA
Date of start of the outbreak 16/05/2013
Outbreak status Resolved (17/05/2013)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 46 3 0 43 0
Outbreak 8 Acatic, Acatic, JALISCO
Date of start of the outbreak 23/05/2013
Outbreak status Resolved (27/05/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 200000 0 200000 0
Summary of outbreaks Total outbreaks: 8
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 1111088 3 ** 0 1111085 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
  • Contact with wild species
Epidemiological comments Eight new outbreaks have been detected since the previous report in Jalisco (1), Puebla (2), Guanajuato (3) and Aguascalientes (2). Two commercial layer farms, two heavy breeder flocks, three broiler flocks and a backyard farm have been affected. The population involved is 1,049,220 birds. Control measures previously applied are still on-going, including vaccination of birds at risk.
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
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations