Highly pathogenic avian influenza, China (People's Rep. of) - WAHID Interface - OIE World Animal Health Information Database (June 4, 2009, edited)

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Highly pathogenic avian influenza, China (People's Rep. of) - WAHID Interface - OIE World Animal Health Information Database (June 4, 2009, edited)

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

Information received on 04/06/2009 from Dr Zhang Zhongqui, Deputy Director General , China Animal Disease Control Centre, Veterinary Bureau, Beijing, China (People's Rep. of)

-- Summary
Report type Follow-up report No. 1
Start date 08/05/2009
Date of first confirmation of the event 17/05/2009
Report date 04/06/2009
Date submitted to OIE 04/06/2009
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 06/2006
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 (17/05/2009)
* Follow-up report No. 1 (04/06/2009)

-- New outbreaks

- Outbreak 1 - Nanhai Prefecture, Nanhai Prefecture, QINGHAI
Date of start of the outbreak 27/05/2009
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable

Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered

• Birds - 23903 - 0 - 0 - 23903 - 0
• Wild species - ... - ... - 162 - ... - ...

Affected population: 23,093 domestic birds were destroyed as a precaution to avoid avian influenza spread from wild birds to domestic birds.

-- Summary of outbreaks
Total outbreaks: 1
Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
- Birds - 0.00% - 0.00% - ** - 100.00%
- Wild species - ** - ** - ** - **
* Removed from the susceptible population through death, destruction and/or slaughter
** Not calculated because of missing information

-- Epidemiology
Source of the outbreak(s) or origin of infection
* Unknown or inconclusive

-- Control measures
Measures applied
* Control of arthropods
* Stamping out
* Quarantine
* Movement control inside the country
* Zoning
* 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 Harbin Veterinary Research Institute (OIE?s Reference Laboratory)
Tests and results: Species - Test - Test date - Result
- Wild species - haemagglutination (HA) test - 04/06/2009 - Positive
- Wild species - real-time PCR - 04/06/2009 - Positive
- Wild species - virus isolation - 04/06/2009 - Positive

-- Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
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<cite cite="http://www.oie.int/wahis/public.php?page=single_report&pop=1&reportid=8155" >WAHID Interface - OIE World Animal Health Information Database</cite>