OIE: Pandemic influenza H1N1 (2009), Japan
submited by kickingbird at Jan, 21, 2010 10:1 AM from OIE
Information received on 20/01/2010 from Dr Toshiro Kawashima, CVO, Animal Health Division, Ministry of Agriculture, Forestry and Fisheries, Tokyo , Japan
Summary
| Report type | Immediate notification |
| Start date | 12/01/2010 |
| Date of first confirmation of the event | 12/01/2010 |
| Report date | 20/01/2010 |
| Date submitted to OIE | 20/01/2010 |
| Reason for notification | Emerging disease |
| Morbidity | 6.7 % |
| Mortality | 0 % |
| Zoonotic impact | It affects also humans |
| Causal agent | Pandemic influenza H1N1 (2009) |
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 |
Epidemiology
| Source of the outbreak(s) or origin of infection |
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| Epidemiological comments | A worker found the animals, which showed poor appetite, fever and cough in the farm occasionally, and reported them to the Livestock Hygiene Service Centre in Yamagata prefecture on 12 January 2010. Ten animals which showed clinical signs were sampled. 5 of 10 samples were found to be influenza A positive by rapid test on 12 January 2010 and 7 of 10 samples were influenza A positive by PCR on 13 January 2010. There were some workers who had been infected with influenza A virus before the outbreak. On 20 January 2010, the virus strains detected from 4 samples were confirmed as pandemic influenza H1N1 2009 by the National Institute of Animal Health (NIAH). The affected farm is being under voluntary movement restraint. Epidemiological investigation is continuing. |
Control measures
| Measures applied |
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| Measures to be applied |
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Diagnostic test results
| Laboratory name and type | Livestock Hygiene Service Centre, Yamagata prefecture (Local laboratory) | ||||||||||||||||
| Tests and results |
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| Laboratory name and type | National Institute of Animal Health (National laboratory) | ||||||||||||||||
| Tests and results |
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Future Reporting
| The event is continuing. Weekly follow-up reports will be submitted. |
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