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Summary
Report type Immediate notification
Start date: 20/02/2012
Date of first confirmation of the event: 24/02/2012
Report date: 28/02/2012
Date submitted to OIE: 29/02/2012
Reason for notification: Reoccurrence of a listed disease
Date of previous occurrence: 14/04/2011
Manifestation of disease: Clinical disease
Causal agent: Highly pathogenic avian influenza virus
Serotype: H5N1
Nature of diagnosis: Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to a defined zone within the country
New outbreaks
Outbreak 1 (10317) Myothit Quarter, Chaung U, Monywa, SAGAING
Date of start of the outbreak 20/02/2012
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species // Susceptible // Cases // Deaths // Destroyed // Slaughtered
Birds // 1060 // 61 // 61 // 999 // 0
Affected Population Layers
Summary of outbreaks Total outbreaks: 1
Outbreak statistics
Species // Apparent morbidity rate // Apparent mortality rate // Apparent case fatality rate // Proportion susceptible animals lost*
Birds // 5.75% // 5.75% // 100.00% // 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: 5-month and 18-month-old layer chickens in two establishments, with a total of 1,060 chickens. A few chickens were found dead on 20 February 2012. A total of 61 chickens died within 4 days. There are 40,000 chickens reared in 139 farms in Chaung U towship. All are layers and broilers of different ages.
Control measures
Measures applied:
Stamping out
Quarantine
Movement control inside the country
Zoning
Disinfection of infected premises/establishment(s)
Dipping / Spraying
Vaccination prohibited
No treatment of affected animals
Measures to be applied:
No other measures
Diagnostic test results:
Laboratory name and type: Regional Veterinary Diagnostic Laboratory, Mandalay (Local laboratory)
Tests and results
Species // Test // Test date // Result
Birds // polymerase chain reaction (PCR) // 24/02/2012 // Positive
Birds // rapid tests // 24/02/2012 // Positive
Laboratory name and type: Central Veterinary Diagnostic Laboratory, Yangon (National laboratory)
Tests and results
Species // Test // Test date // Result
Birds // real-time PCR // 26/02/2012 // Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Report type Immediate notification
Start date: 20/02/2012
Date of first confirmation of the event: 24/02/2012
Report date: 28/02/2012
Date submitted to OIE: 29/02/2012
Reason for notification: Reoccurrence of a listed disease
Date of previous occurrence: 14/04/2011
Manifestation of disease: Clinical disease
Causal agent: Highly pathogenic avian influenza virus
Serotype: H5N1
Nature of diagnosis: Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to a defined zone within the country
New outbreaks
Outbreak 1 (10317) Myothit Quarter, Chaung U, Monywa, SAGAING
Date of start of the outbreak 20/02/2012
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species // Susceptible // Cases // Deaths // Destroyed // Slaughtered
Birds // 1060 // 61 // 61 // 999 // 0
Affected Population Layers
Summary of outbreaks Total outbreaks: 1
Outbreak statistics
Species // Apparent morbidity rate // Apparent mortality rate // Apparent case fatality rate // Proportion susceptible animals lost*
Birds // 5.75% // 5.75% // 100.00% // 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: 5-month and 18-month-old layer chickens in two establishments, with a total of 1,060 chickens. A few chickens were found dead on 20 February 2012. A total of 61 chickens died within 4 days. There are 40,000 chickens reared in 139 farms in Chaung U towship. All are layers and broilers of different ages.
Control measures
Measures applied:
Stamping out
Quarantine
Movement control inside the country
Zoning
Disinfection of infected premises/establishment(s)
Dipping / Spraying
Vaccination prohibited
No treatment of affected animals
Measures to be applied:
No other measures
Diagnostic test results:
Laboratory name and type: Regional Veterinary Diagnostic Laboratory, Mandalay (Local laboratory)
Tests and results
Species // Test // Test date // Result
Birds // polymerase chain reaction (PCR) // 24/02/2012 // Positive
Birds // rapid tests // 24/02/2012 // Positive
Laboratory name and type: Central Veterinary Diagnostic Laboratory, Yangon (National laboratory)
Tests and results
Species // Test // Test date // Result
Birds // real-time PCR // 26/02/2012 // Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
