Giuseppe
Emeritus
Low pathogenic avian influenza (poultry), United States of America (OIE, August 6, 2009, edited)
[Original English PDF report - Edited.]
Low pathogenic avian influenza (poultry), United States of America
Information received on 06/08/2009 from Dr John Clifford, Deputy Administrator, Animal and Plant Health Inspection Service, United States Department of Agriculture, Washington, United States of America
-- Summary
Report type Immediate notification
Start date 26/07/2009
Date of first confirmation of the event 04/08/2009
Report date 06/08/2009
Date submitted to OIE 06/08/2009
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 07/2009
Manifestation of disease Sub-clinical infection
Causal agent Low pathogenic avian influenza virus - Serotype H7N9
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
-- New outbreaks
Summary of outbreaks: Total outbreaks: 1
- Outbreak Location and Affected population MINNESOTA (Meeker County, Meeker) : A commercial turkey operation with an estimated 160,000 birds in 16 houses. The birds are 12 to 13 weeks old.
Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 160000 - ** - 0 - 0 - 0
Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
*Birds ** - 0.00% - ** - 0.00%
* 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 Unknown or inconclusive
-- Epidemiological comments
The Minnesota Board of Animal Health (BAH) placed a quarantine on the affected premises and implemented the H5/H7 LPAI State Response and Containment Plan.
- There are no signs of clinical illness or increased mortality in the flock
- Enhanced surveillance will be conducted on all flocks within a 5km (3 mile) radius and on all flocks epidemiologically linked to the affected premises.
- No virus has been isolated yet. Further laboratory testing is pending.
Note by the OIE Animal Health Information Department: H5 and H7 avian influenza in its low pathogenic form in poultry is a notifiable disease as per Chapter 10.4. on avian influenza of the Terrestrial Animal Health Code (2008).
-- Control measures
Measures applied Quarantine
Zoning
Vaccination prohibited
No treatment of affected animals
Measures to be applied No other measures
-- Diagnostic test results
Laboratory name and type National Veterinary Services Laboratory (NVSL) (National laboratory)
Tests and results: Species - Test - Test date - Result
- Birds - real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) - 04/08/2009 - Positive
-- Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
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[Original English PDF report - Edited.]
Low pathogenic avian influenza (poultry), United States of America
Information received on 06/08/2009 from Dr John Clifford, Deputy Administrator, Animal and Plant Health Inspection Service, United States Department of Agriculture, Washington, United States of America
-- Summary
Report type Immediate notification
Start date 26/07/2009
Date of first confirmation of the event 04/08/2009
Report date 06/08/2009
Date submitted to OIE 06/08/2009
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 07/2009
Manifestation of disease Sub-clinical infection
Causal agent Low pathogenic avian influenza virus - Serotype H7N9
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
-- New outbreaks
Summary of outbreaks: Total outbreaks: 1
- Outbreak Location and Affected population MINNESOTA (Meeker County, Meeker) : A commercial turkey operation with an estimated 160,000 birds in 16 houses. The birds are 12 to 13 weeks old.
Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 160000 - ** - 0 - 0 - 0
Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
*Birds ** - 0.00% - ** - 0.00%
* 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 Unknown or inconclusive
-- Epidemiological comments
The Minnesota Board of Animal Health (BAH) placed a quarantine on the affected premises and implemented the H5/H7 LPAI State Response and Containment Plan.
- There are no signs of clinical illness or increased mortality in the flock
- Enhanced surveillance will be conducted on all flocks within a 5km (3 mile) radius and on all flocks epidemiologically linked to the affected premises.
- No virus has been isolated yet. Further laboratory testing is pending.
Note by the OIE Animal Health Information Department: H5 and H7 avian influenza in its low pathogenic form in poultry is a notifiable disease as per Chapter 10.4. on avian influenza of the Terrestrial Animal Health Code (2008).
-- Control measures
Measures applied Quarantine
Zoning
Vaccination prohibited
No treatment of affected animals
Measures to be applied No other measures
-- Diagnostic test results
Laboratory name and type National Veterinary Services Laboratory (NVSL) (National laboratory)
Tests and results: Species - Test - Test date - Result
- Birds - real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) - 04/08/2009 - Positive
-- Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
-
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