H5N1 Bird Flu Reported in poultry in NW China (Gansu Province)

[Shiloh]

Source: http://english.cri.cn/6909/2012/06/06/3124s704190.htm

H5N1 Bird Flu Reported in NW China
2012-06-06 19:46:45 Xinhua Web Editor: dingxiaoxiao

China's northwestern Gansu province has reported an outbreak of the highly epidemic H5N1 bird flu virus in poultry, the Ministry of Agriculture (MOA) announced Wednesday.

More than 6,200 chickens at a farm in a village in Luyang, a town in Jingtai county, showed symptoms of suspected avian flu Friday, and 260 of them have died, according to the MOA.

The National Avian Influenza Reference Laboratory on Tuesday confirmed the epidemic was H5N1 bird flu after testing samples collected at the farm, the MOA said...

 

[Giuseppe]

Re: H5N1 Bird Flu Reported in poultry in NW China (Gansu Province)

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


Highly pathogenic avian influenza, China (People's Rep. of)


Information received on 06/06/2012 from Dr Zhang Zhongqui, Director General , China Animal Disease Control Centre, Veterinary Bureau, Ministry of Agriculture, Beijing, China (People's Rep. of)

• Summary
  • Report type Follow-up report No. 5
  • Start date 02/12/2011
  • Date of first confirmation of the event 12/12/2011
  • Report date 06/06/2012
  • Date submitted to OIE 06/06/2012
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 25/05/2010
  • Manifestation of disease Clinical disease
  • Causal agent Highly pathogenic avian influenza virus
  • Serotype H5N1
  • Nature of diagnosis Clinical, Laboratory (advanced)
  • This event pertains to a defined zone within the country
  • Related reports
    • Immediate notification (12/12/2011)
    • Follow-up report No. 1 (31/03/2012)
    • Follow-up report No. 2 (18/04/2012)
    • Follow-up report No. 3 (24/04/2012)
    • Follow-up report No. 4 (17/05/2012)
    • Follow-up report No. 5 (06/06/2012)
• New outbreaks
  • Outbreak 1 - Dongguan village, Jingtai, Baiyin, GANSU
    • Date of start of the outbreak 01/06/2012
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 18460 ? 6200 ? 260 ? 18200 - 0
• Summary of outbreaks
  • Total outbreaks: 1
  • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    • Birds - 33.59% - 1.41% - 4.19% - 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
    • Stamping out
    • Quarantine
    • Movement control inside the country
    • Screening
    • Zoning
    • Disinfection of infected premises/establishment(s)
    • Dipping / Spraying
    • Vaccination prohibited
    • No treatment of affected animals
  • Measures to be applied
    • No other measures
• Diagnostic test results
  • Laboratory name and type Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (national reference laboratory for avian influenza) (OIE?s Reference Laboratory)
    • Tests and results: Species ? Test - Test date ? Result
      • Birds - haemagglutination inhibition test (HIT) - 05/06/2012 ? Positive
      • Birds - intravenous pathogenicity index (IVPI) test - 05/06/2012 ? Positive
      • Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 05/06/2012 ? Positive
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

-
------