Highly pathogenic avian influenza, Japan (WAHID Interface - OIE World Animal Health Information Database, Feb 2 2011, edited): Miyazaki, Aichi, Kagosh

[Giuseppe]

Highly pathogenic avian influenza, Japan (WAHID Interface - OIE World Animal Health Information Database, Feb 2 2011, edited)


[Source: OIE, full page: <cite cite="http://web.oie.int/wahis/public.php?page=single_report&pop=1&reportid=10205">WAHID Interface - OIE World Animal Health Information Database</cite>. Edited.]

Highly pathogenic avian influenza, Japan

Information 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 outbreaks
  • Outbreak 1 - 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 2 - 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 3 - 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 4 - 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
  • Outbreak 5 - 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

• 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

• Epidemiology
  • Source 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 measures
  • Measures 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 results
  • Laboratory 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 Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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