http://web.oie.int/wahis/public.php?pag ... rtid=10205Information received on 02/02/2011 from Dr Toshiro Kawashima, CVO, Animal Health Division, Ministry of Agriculture, Forestry and Fisheries, Tokyo , Japan
Summary
Report type Follow-up report No. 6
Start date 27/11/2010
Date of first confirmation of the event 29/11/2010
Report date 02/02/2011
Date submitted to OIE 02/02/2011
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 01/04/2009
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 the whole country
Related reports Immediate notification (02/12/2010)
Follow-up report No. 1 (09/12/2010)
Follow-up report No. 2 (16/12/2010)
Follow-up report No. 3 (21/12/2010)
Follow-up report No. 4 (27/12/2010)
Follow-up report No. 5 (23/01/2011)
Follow-up report No. 6 (02/02/2011)
New outbreaksOutbreak 1 Nobeoka city, MIYAZAKI
Date of start of the outbreak 28/01/2011
Outbreak status Resolved (30/01/2011)
Epidemiological unit Farm
Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 6600 67 67 6533 0
Outbreak 2 Tsuno-cho Koyu-gun, MIYAZAKI
Date of start of the outbreak 27/01/2011
Outbreak status Resolved (29/01/2011)
Epidemiological unit Farm
Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 10401 300 300 10101 0
Outbreak 3 Izumi city, KAGOSHIMA
Date of start of the outbreak 25/01/2011
Outbreak status Resolved (26/01/2011)
Epidemiological unit Farm
Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 8600 84 84 8516 0
Outbreak 4 Toyohashi city, AICHI
Date of start of the outbreak 26/01/2011
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 150000 120 120 149880 0
Outbreak 5 Kawaminami-cho Koyu-gun, MIYAZAKI
Date of start of the outbreak 28/01/2011
Outbreak status Resolved (31/01/2011)
Epidemiological unit Farm
Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 92000 428 428 91572 0
Summary of outbreaks Total outbreaks: 5
Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 267601 999 999 266602 0
Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 0.37% 0.37% 100.00% 100.00%
* Removed from the susceptible population through death, destruction and/or slaughter
EpidemiologySource of the outbreak(s) or origin of infection Unknown or inconclusive
Epidemiological comments Izumi city, Kagoshima:
On 25 January 2011, poultry were tested positive for influenza A with rapid test at a farm in Izumi city in Kagoshima prefecture. Virus was identified as H5 with RT-PCR on 26 January and as H5N1 on 29 January. Mandatory movement restriction has been enforced within 10 km around the affected farm since 25 January 2011. All of the poultry at the farm was destroyed by 26 January.
Toyohashi city, Aichi:
On 26 January 2011, poultry were tested positive for influenza A with rapid test at a farm in Toyohashi city in Aichi prefecture. Virus was identified as H5 with RT-PCR on 27 January and as H5N1 on 30 January. Mandatory movement restriction has been enforced within 10 km around the affected farm since 26 January 2011. All of the poultry at the farm was destroyed by 31 January.
Tsuno-cho Koyu-gun, Miyazaki:
On 27 January 2011, poultry from a farm in Tsuno-cho Koyu-gun were tested positive for influenza A with rapid test at a poultry abattoir in Kawaminami-cho. Virus was identified as H5 with RT-PCR on 28 January and as H5N1 on 31 January. Mandatory movement restriction has been enforced within 10 km around the affected farm and within 5 km around the poultry abattoir since 27 January 2011. All of the poultry at the farm was destroyed by 28 January.
Kawaminami-cho Koyu-gun, Miyazaki:
On 28 January 2011, poultry were tested positive for influenza A with rapid test at a farm in Kawaminami-cho Koyu-gun in Miyazaki prefecture. Virus was identified as H5 with RT-PCR on 29 January. Mandatory movement restriction has been enforced within 10 km around the affected farm since 28 January 2011. All of the poultry at the farm was destroyed by 29 January.
Kitakawa-cho Nobeoka city, Miyazaki:
On 28 January 2011, poultry were tested positive for influenza A with rapid test at a farm in Kitakawa-cho Nobeoka city in Miyazaki prefecture. Virus was identified as H5 with RT-PCR on 29 January. Mandatory movement restriction has been enforced within 10 km around the affected farm since 28 January 2011. All of the poultry at the farm was destroyed by 29 January.
Control measuresMeasures applied Stamping out
Movement control inside the country
Screening
Disinfection of infected premises/establishment(s)
No vaccination
No treatment of affected animals
Measures to be applied No other measures
Diagnostic test resultsLaboratory name and type Aichi Livestock Hygiene Centre (Local laboratory)
Tests and results Species Test Test date Result
Birds reverse transcription - polymerase chain reaction (RT-PCR) 27/01/2011 Positive
Laboratory name and type Kagoshima Livestock Hygiene Centre (Local laboratory)
Tests and results Species Test Test date Result
Birds reverse transcription - polymerase chain reaction (RT-PCR) 26/01/2011 Positive
Laboratory name and type Miyazaki Livestock Hygiene Centre (Local laboratory)
Tests and results Species Test Test date Result
Birds reverse transcription - polymerase chain reaction (RT-PCR) 28/01/2011 Positive
Birds reverse transcription - polymerase chain reaction (RT-PCR) 29/01/2011 Positive
Laboratory name and type National Institute of Animal Health (National laboratory)
Tests and results Species Test Test date Result
Birds gene sequencing 26/01/2011 Positive
Birds gene sequencing 28/01/2011 Positive
Birds gene sequencing 29/01/2011 Positive
Birds gene sequencing 31/01/2011 Positive
Birds haemagglutination inhibition test (HIT) 28/01/2011 Positive
Birds haemagglutination inhibition test (HIT) 29/01/2011 Positive
Birds haemagglutination inhibition test (HIT) 30/01/2011 Positive
Birds haemagglutination inhibition test (HIT) 31/01/2011 Positive
Birds neuraminidase inhibition assay 27/01/2011 Positive
Birds neuraminidase inhibition assay 29/01/2011 Positive
Birds neuraminidase inhibition assay 30/01/2011 Positive
Birds neuraminidase inhibition assay 31/01/2011 Positive
Future ReportingThe event is continuing. Weekly follow-up reports will be submitted.
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