Voluntary Report - public distribution

**Date:** 10/26/2005

**GAIN Report Number:** CH5079

CH5079

**China, Peoples Republic of**

**Poultry and Products**

**Highly Pathogenic Avian Influenza Outbreak in Hunan Province**

**2005**

**Approved by:**

![](media/image1.wmf)Maurice House

U.S. Embassy Beijing, Office of Agricultural Affairs

**Prepared by:**

Casey Bean and Jiang Junyang

**Report Highlights:**

This week China reported its 6th AI outbreak during 2005. Highly
pathogenic avian influenza (H5N1) killed 545 birds in China\'s Hunan
Province, according to a Ministry of Agriculture report filed with the
International Organization of Animal Health (OIE) on October 25.
Officials destroyed 2,487 birds and vaccinated another 43,750 with an
inactivated mono H5N2 vaccine. No human infections were reported. The
OIE notification is included in this report. Thus far during 2005, China
has reported AI outbreaks in Qinghai, Tibet, Xinjiang, Inner Mongolia,
Anhui and Hunan.

Includes PSD Changes: No

Includes Trade Matrix: No

Unscheduled Report

Beijing \[CH1\]

\[CH\]

**Summary**

On October 25, 2005, China\'s Chief Veterinary Officer notified the OIE
and the U.S. Embassy about an outbreak of highly pathogenic avian
influenza, sub-type H5, in the village of Wantang in Hunan Province. The
outbreak in chickens and ducks started on October 22 and was confirmed
on October 25. Diagnosis was based upon HI, RT-PCR and IPVI tests
carried out by the National Avian Influenza Reference Laboratory at the
Harbin Veterinary Research Institute. In response, officials destroyed
2,487 birds and vaccinated another 43,750 with an inactivated mono H5N2
vaccine.

Thus far during 2005, China has reported AI outbreaks in Qinghai, Tibet,
Xinjiang, Inner Mongolia, Anhui and Hunan.

Following is China's notification to the International Organization of
Animal Health (OIE).

> **HIGHLY PATHOGENIC AVIAN INFLUENZA IN CHINA (PEOPLE\'S REP. OF \~)\
> Follow-up report No. 5**
>
> *Information received on 25 October 2005 from Mr. Jia Youling,
> Director General, Bureau of Veterinary, Ministry of Agriculture, P.R.
> China:*
>
> ***Report Date:** 25* October 2005.
>
> ***Precise identification of agent:*** H5 subtype avian influenza
> virus.
>
> ***Date of first confirmation of the event:*** 25 October 2005.
>
> ***Nature of diagnosis:*** clinical, post-mortem and laboratory.
>
> ***Details of new outbreak:***

  ---------------- ---------------- ------------------- ------------- ------------- ---------------- ------------------- ------------- -------------- ----------------- --------------------
  ***First         ***Lower         ***Type of          ***Name of    ***Date of    ***Spe-cies***   ***Number of                                                       
  administrative   administrative   epide-miolo-gical   the           start of the                   animals in the                                                     
  division***      division***      unit***             location***   outbreak***                    outbreak***                                                        

                                                                                                     ***susceptible***   ***cases***   ***deaths***   ***destroyed***   ***slaugh-tered***

  Hunan            Xiangtan County  Village             Wantang       22 Oct. 2005  avi              687                 545           545            2,487             0
  ---------------- ---------------- ------------------- ------------- ------------- ---------------- ------------------- ------------- -------------- ----------------- --------------------

> ***Description of affected population in the new outbreak:*** chicken
> and duck.
>
> ***Diagnosis:***

  --------------------------- ------------- --------- --------------- ------------ ---------------
  ***Laboratories where       ***Species              ***Diagnostic   ***Date***   ***Results***
  diagnosis was made***       examined***             tests used***                

  National Avian Influenza                  Avi       HI              25 Oct. 2005 positive
  Reference Laboratory,                                                            
  Harbin Veterinary Research                                                       
  Institute, Chinese Academy                                                       
  of Agricultural Sciences,                                                        
  Harbin, P.R.C.                                                                   

                                                      RT-PCR                       positive

                                                      IVPI                         Highly
                                                                                   Pathogenic
  --------------------------- ------------- --------- --------------- ------------ ---------------

> ***Source of new outbreak:*** unknown or inconclusive.
>
> ***Control measures undertaken:***
>
> \- stamping out;
>
> \- quarantine;
>
> \- movement control inside the country;
>
> \- screening;
>
> \- zoning;
>
> \- vaccination;
>
> \- disinfection of infected premises/establishment(s);
>
> \- dipping/spraying.
>
> ***Vaccination in response to the outbreak:***

  -------------------- --------------- ---------------------- -------------------
  ***First             ***Species***   ***Total number of     ***Details of the
  administrative                       vaccinated animals***  vaccine***
  division***                                                 

  Hunan Province       avi             43,750                 Inactivated mono
                                                              H5N2 Vaccine
  -------------------- --------------- ---------------------- -------------------

> ***Treatment of affected animals:*** no.
>
> ***Vaccination prohibited:*** no.
>
> ***Final report:*** no.

End of Report.