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Announcement
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Chile - Outbreaks of low pathogenic avian influenza H7N6 in birds in farms in Valparaiso
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Chile - Outbreaks of low pathogenic avian influenza H7N6 in birds in farms in Valparaiso
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"Safety and security don't just happen, they are the result of collective consensus and public investment. We owe our children, the most vulnerable citizens in our society, a life free of violence and fear."
-Nelson MandelaTags: None
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...Low pathogenic avian influenza (poultry),
ChileInformation received on 14/09/2019 from Dr Oscar Eduardo Videla P?rez, Jefe de Divisi?n de Protecci?n Pecuaria, Servicio Agr?cola y Ganadero, Ministerio de Agricultura, Santiago, Chile Summary Report type Follow-up report No. 1 Date of start of the event 27/08/2019 Date of confirmation of the event 02/09/2019 Report date 13/09/2019 Date submitted to OIE 14/09/2019 Reason for notification Recurrence of a listed disease Date of previous occurrence 08/03/2017 Manifestation of disease Sub-clinical infection Causal agent Low pathogenic avian influenza virus Serotype H7N6 Nature of diagnosis Laboratory (advanced) This event pertains to a defined zone within the country Related reports Immediate notification (04/09/2019)
Follow-up report No. 1 (13/09/2019)
Follow-up report No. 2 (27/09/2019)
Follow-up report No. 3 (17/10/2019)New outbreaks (1) Outbreak 1 Santa Ana, Los Nogales, Valparaiso Date of start of the outbreak 10/09/2019 Outbreak status Resolved (12/09/2019) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 39350 3461 0 0 39350 Affected population 15-week-old fattening turkeys belonging to the same company as the first outbreak. Controlled slaughter is carried out in a slaughterhouse. Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 39350 3461 0 0 39350 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 8.80% 0.00% 0.00% 100.00% *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 A one-kilometer restriction zone was established around the affected farm as well as a one-kilometer surveillance zone around the first one, within which active surveillance and epidemiological investigation are ongoing, in accordance with the provisions of the OIE Code. Control measures Measures applied - Movement control inside the country
- Surveillance outside containment and/or protection zone
- Surveillance within containment and/or protection zone
- Quarantine
- Zoning
- Disinfection
- Slaughter
- Vaccination prohibited
- No treatment of affected animals
Measures to be applied - No other measures
Diagnostic test results Laboratory name and type Species Test Test date Result Lo Aguirre Laboratory (National laboratory) Birds virus sequencing 12/09/2019 Positive Future Reporting The event is continuing. Weekly follow-up reports will be submitted.
"Safety and security don't just happen, they are the result of collective consensus and public investment. We owe our children, the most vulnerable citizens in our society, a life free of violence and fear."
-Nelson Mandela
-
Low pathogenic avian influenza (poultry),
ChileInformation received on 17/10/2019 from Dr Oscar Eduardo Videla P?rez, Jefe de Divisi?n de Protecci?n Pecuaria, Servicio Agr?cola y Ganadero, Ministerio de Agricultura, Santiago, Chile Summary Report type Follow-up report No. 3 Date of start of the event 27/08/2019 Date of confirmation of the event 02/09/2019 Report date 17/10/2019 Date submitted to OIE 17/10/2019 Reason for notification Recurrence of a listed disease Date of previous occurrence 08/03/2017 Manifestation of disease Sub-clinical infection Causal agent Low pathogenic avian influenza virus Serotype H7N6 Nature of diagnosis Laboratory (advanced) This event pertains to a defined zone within the country Related reports Immediate notification (04/09/2019)
Follow-up report No. 1 (13/09/2019)
Follow-up report No. 2 (27/09/2019)
Follow-up report No. 3 (17/10/2019)New outbreaks (2) Outbreak 1 Los Tilos, Hijuelas, Valparaiso Date of start of the outbreak 10/10/2019 Outbreak status Resolved (16/10/2019) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 39159 0 0 0 39159 Affected population Sixteen-week-old fattening turkeys. Positive results were obtained from sampling by the company prior to shipment to slaughterhouse on 10th October. The birds were slaughtered on Tuesday 15th and Wednesday 16th. Outbreak 2 Romeral, Hijuelas, Valparaiso Date of start of the outbreak 12/10/2019 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 40029 0 0 0 40029 Affected population Fifteen-week-old turkeys. Positive sampling during active surveillance carried out by the company due to the outbreak in Los Tilos. Birds sent to slaughterhouse Thursday 17th and Friday 18th October. Summary of outbreaks Total outbreaks: 2 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 79188 0 0 0 79188 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 0.00% 0.00% ** 100.00% *Removed from the susceptible population through death, destruction and/or slaughter Epidemiology Source of the outbreak(s) or origin of infection - Fomites (humans, vehicles, feed, etc.)
Epidemiological comments A one-kilometer restriction zone was established around the affected farm as well as a one-kilometer surveillance zone, around the first one, within which active surveillance and epidemiological investigation are ongoing, in accordance with the provisions of the OIE Code. Additional biosecurity measures are taken to contain the outbreak. Negative serum samples in both outbreaks. Each establishment had been sampled four times, and tested through PCR and serum, within the framework of the current outbreak, with negative results. Control measures Measures applied - Movement control inside the country
- Surveillance outside containment and/or protection zone
- Surveillance within containment and/or protection zone
- Quarantine
- Zoning
- Disinfection
- Slaughter
- Vaccination prohibited
- No treatment of affected animals
Measures to be applied - No other measures
Diagnostic test results Laboratory name and type Species Test Test date Result Lo Aguirre (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 14/10/2019 Positive Lo Aguirre (National laboratory) Birds virus sequencing 17/10/2019 Positive Future Reporting The event is continuing. Weekly follow-up reports will be submitted.
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"Safety and security don't just happen, they are the result of collective consensus and public investment. We owe our children, the most vulnerable citizens in our society, a life free of violence and fear."
-Nelson Mandela
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