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Fowl typhoid, Mexico
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Information received on 06/08/2020 from Dr. Gay Gutiérrez Juan, Director General de Salud Animal, Servicio Nacional de Sanidad, Inocuidad y Calidad Agroalimentaria (SENASICA),
Secretaría de Agricultura y Desarrollo Rural (SADER), Ciudad de Mexico, Mexico
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Summary
Report type |
Immediate notification |
Date of start of the event |
23/07/2020 |
Date of confirmation of the event |
04/08/2020 |
Report date |
06/08/2020 |
Date submitted to OIE |
06/08/2020 |
Date event resolved |
18/09/2020 |
Reason for notification |
Recurrence of a listed disease |
Date of previous occurrence |
11/2015 |
Manifestation of disease |
Clinical disease |
Causal agent |
Salmonella gallinarum |
Nature of diagnosis |
Clinical, Laboratory (basic), Laboratory (advanced), Necropsy |
This event pertains to |
a defined zone within the country |
Related reports |
Immediate notification (06/08/2020)
Follow-up report No. 1 (02/10/2020)
Follow-up report No. 2 (15/12/2020)
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Outbreak 1 |
Zempoala, Hidalgo |
Date of start of the outbreak |
23/07/2020 |
Outbreak status |
Resolved (10/09/2020) |
Epidemiological unit |
Backyard |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
500 |
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150 |
350 |
0 |
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Affected population |
This is a rural farm with 500 laying birds showing clinical signs compatible with the disease (diarrhea, lethargic birds with ruffled feathers, prostration and death). Organ samples were taken and tested positive for Salmonella gallinarum by RT-PCR, bacterial isolation and biochemical typing.
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Summary of outbreaks |
Total outbreaks: 1 |
Total animals affected |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
500 |
** |
150 |
350 |
0 |
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Outbreak statistics |
Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
Birds |
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30.00% |
** |
100.00% |
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*Removed from the susceptible population through death, destruction and/or slaughter |
**Not calculated because of missing information |
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Epidemiology
Source of the outbreak(s) or origin of infection |
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Epidemiological comments |
Derivado de la notificación, se ha localizado un predio rural afectado en Hidalgo. El predio rural está en proceso de despoblación. Se realiza la investigación epidemiológica (rastreo) para identificar el origen del evento sanitario. Se recomendó a los productores de la zona notificar de manera inmediata al personal veterinario oficial, la presencia de signos sugerentes a la enfermedad y la mortalidad de aves de corral.
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Control measures
Measures applied |
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Surveillance within containment and/or protection zone
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Quarantine
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Vaccination prohibited
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No treatment of affected animals
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Measures to be applied |
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Surveillance outside containment and/or protection zone
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Official disposal of carcasses, by-products and waste
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Stamping out
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Disinfection
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Diagnostic test results
Laboratory name and type |
Species |
Test |
Test date |
Result |
CENASA (National laboratory) |
Birds |
bacteriological examination |
04/08/2020 |
Positive |
Laboratorio de bioseguridad nivel 3 del SENASICA (National laboratory) |
Birds |
real-time PCR |
27/07/2020 |
Positive |
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Future Reporting
The event is continuing. Weekly follow-up reports will be submitted. |
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Map of outbreak locations
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