Information received on 30/11/2009 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 | 16/11/2009 |
Date of first confirmation of the event | 24/11/2009 |
Report date | 30/11/2009 |
Date submitted to OIE | 30/11/2009 |
Reason for notification | Emerging disease |
Morbidity | 1 scale05 |
Mortality | 0 scale05 |
Zoonotic impact | Refer to OIE guidance/opinion |
Causal agent | 2009 pandemic A/H1N1 influenza virus |
New outbreaks
Summary of outbreaks | Total outbreaks: 1 | ||||||||||||
Location(s) |
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Total animals affected |
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Outbreak statistics |
* 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 |
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Epidemiological comments | The USDA Animal Plant Health Inspection Service (APHIS) and the Virginia Department of Agriculture and Consumer Services are conducting a comprehensive epidemiological investigation of this event. Epidemiological sequence of event as of 30 November 2009: - Week of 16 November 2009: A significant drop in egg production was observed in one barn only. - 23 November 2009: Presumptive detection of 2009 pandemic A/H1N1 was reported to APHIS and laboratory samples were submitted to the National Veterinary Services Laboratories (NVSL). - 30 November 2009: NVSL confirmation of 2009 pandemic A/H1N1 influenza virus. - Information points to recent exposure of the turkeys to a farm worker exhibiting influenza-like symptoms. - The farm was/and continues to be under enhanced biosecurity. |
Control measures
Measures applied |
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Measures to be applied |
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Diagnostic test results
Laboratory name and type | National Veterinary Services Laboratory (NVSL) (National laboratory) | ||||||||||||||||||||
Tests and results |
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Future Reporting
The event is continuing. Weekly follow-up reports will be submitted. |