Highly pathogenic avian influenza, Vietnam (OIE, February 8 2012): 3 New H5N1 Poultry Outbreaks, Quang Tri, Thanh Hoa

[Giuseppe]

[Source: OIE, full page: (LINK). Edited.]


Highly pathogenic avian influenza, Vietnam


Information received on 08/02/2012 from Dr Nam Hoang Van, Director General, Department of Animal Health, Ministry of Agriculture and Rural Development , Hanoi, Vietnam

• Summary
  • Report type Follow-up report No. 60
  • Start date 07/12/2006
  • Date of first confirmation of the event 19/12/2006
  • Report date 08/02/2012
  • Date submitted to OIE 08/02/2012
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 10/08/2006
  • Manifestation of disease Clinical disease
  • Causal agent Highly pathogenic avian influenza virus
  • Serotype H5N1
  • Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced)
  • This event pertains to a defined zone within the country
  • Related reports
    • Immediate notification (19/12/2006)
    • Follow-up report No. 1 (04/01/2007)
    • Follow-up report No. 2 (17/01/2007)
    • Follow-up report No. 3 (27/02/2007)
    • Follow-up report No. 4 (23/03/2007)
    • Follow-up report No. 5 (02/04/2007)
    • Follow-up report No. 6 (17/05/2007)
    • Follow-up report No. 7 (24/05/2007)
    • Follow-up report No. 8 (07/06/2007)
    • Follow-up report No. 9 (05/07/2007)
    • Follow-up report No. 10 (14/09/2007)
    • Follow-up report No. 11 (11/10/2007)
    • Follow-up report No. 12 (31/10/2007)
    • Follow-up report No. 13 (12/11/2007)
    • Follow-up report No. 14 (07/01/2008)
    • Follow-up report No. 15 (01/02/2008)
    • Follow-up report No. 16 (23/02/2008)
    • Follow-up report No. 17 (12/03/2008)
    • Follow-up report No. 18 (01/04/2008)
    • Follow-up report No. 19 (23/04/2008)
    • Follow-up report No. 20 (14/07/2008)
    • Follow-up report No. 21 (30/09/2008)
    • Follow-up report No. 22 (27/11/2008)
    • Follow-up report No. 23 (30/12/2008)
    • Follow-up report No. 24 (07/01/2009)
    • Follow-up report No. 25 (03/02/2009)
    • Follow-up report No. 26 (06/02/2009)
    • Follow-up report No. 27 (16/02/2009)
    • Follow-up report No. 28 (22/02/2009)
    • Follow-up report No. 29 (06/03/2009)
    • Follow-up report No. 30 (10/04/2009)
    • Follow-up report No. 31 (21/05/2009)
    • Follow-up report No. 32 (26/06/2009)
    • Follow-up report No. 33 (05/11/2009)
    • Follow-up report No. 34 (13/12/2009)
    • Follow-up report No. 35 (16/12/2009)
    • Follow-up report No. 36 (27/12/2009)
    • Follow-up report No. 37 (24/01/2010)
    • Follow-up report No. 38 (28/01/2010)
    • Follow-up report No. 39 (13/02/2010)
    • Follow-up report No. 40 (03/03/2010)
    • Follow-up report No. 41 (24/03/2010)
    • Follow-up report No. 42 (10/04/2010)
    • Follow-up report No. 43 (29/04/2010)
    • Follow-up report No. 44 (17/08/2010)
    • Follow-up report No. 45 (04/12/2010)
    • Follow-up report No. 46 (23/02/2011)
    • Follow-up report No. 47 (08/03/2011)
    • Follow-up report No. 48 (30/03/2011)
    • Follow-up report No. 49 (18/04/2011)
    • Follow-up report No. 50 (21/04/2011)
    • Follow-up report No. 51 (26/04/2011)
    • Follow-up report No. 52 (16/05/2011)
    • Follow-up report No. 53 (07/06/2011)
    • Follow-up report No. 54 (18/07/2011)
    • Follow-up report No. 55 (04/08/2011)
    • Follow-up report No. 56 (05/09/2011)
    • Follow-up report No. 57 (10/11/2011)
    • Follow-up report No. 58 (03/02/2012)
    • Follow-up report No. 59 (06/02/2012)
    • Follow-up report No. 60 (08/02/2012)
• New outbreaks
  • Outbreak 1 - Hai Ba, Hai Ba, Hai Lang, QUANG TRI
    • Date of start of the outbreak 29/01/2012
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Village
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 300 ? 200 ? 100 ? 200 ? 0
  • Outbreak 2 - Van Thien, Van Thien, Nong Cong, THANH HOA
    • Date of start of the outbreak 04/02/2012
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Village
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 880 ? 435 ? 435 ? 445 ? 0
  • Outbreak 3 - Hai Thien, Hai Thien, Hai Lang, QUANG TRI
    • Date of start of the outbreak 03/02/2012
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Village
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 1000 ? 400 ? 400 ? 600 ? 0
• Summary of outbreaks
  • Total outbreaks: 3
  • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
    • Birds ? 2180 ? 1035 ? 935 ? 1245 ? 0
  • Outbreak statistics: Species - Apparent morbidity rate ? Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    • Birds - 47.48% - 42.89% - 90.34% - 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
• Control measures
  • Measures applied
    • Quarantine
    • Movement control inside the country
    • Disinfection of infected premises/establishment(s)
    • Modified stamping out
    • No vaccination
    • No treatment of affected animals
  • Measures to be applied
    • Screening
    • Zoning
    • Vaccination in response to the outbreak (s)
• Diagnostic test results
  • Laboratory name and type Regional Animal Health Office No. 3 (RAHO-3) (National laboratory)
    • Tests and results: Species ? Test - Test date ? Result
      • Birds - real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) - 08/02/2012 ? Positive
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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