HIGHLY PATHOGENIC AVIAN INFLUENZA IN THE PEOPLE´S REPUBLIC OF CHINA
(Date of previous outbreak of Highly pathogenic avian influenza in the People´s Republic of China reported to the OIE in poultry: June 2004).
Information received on 8 June 2005 from Mr Jia Youling, Director General, Veterinary Bureau, Ministry of Agriculture, Beijing:
Report date: 8 June 2005.
Nature of diagnosis: clinical and laboratory.
Location of the outbreak: Xinjiang autonomous region,Tacheng district, Tacheng city.
Description of affected population: geese.
Total number of animals in the outbreak:
susceptible: 2,177
cases: 1,042
deaths: 460
destroyed: 13,457
slaughtered: 0
Laboratory where diagnosis was made: National Avian Influenza Reference Laboratory (Harbin Veterinary Research Institute, Chinese Academy of Agricutural Sciences).
Diagnostic tests used: RT-PCR(1) and intravenous pathogenicity index test (7 June 2005).
Causal agent: highly pathogenic avian influenza virus type H5N1.
Source of agent / origin of infection: under investigation.
Mode of spread: migratory birds.
Other epidemiological details: the index farm is a backyard farm.
Control measures:
- quarantine;
- stamping out;
- movement control inside the country;
- zoning;
- vaccination.
(1) RT-PCR: reverse transcriptase – polymerase chain reaction