Highly Pathogenic Avian Influenza in the People's Republic of China - CHINA - This is a Follow-up report via OIE on the HPAI in wild birds in the People's Republic of China.

See also: 27 May 2005, 9 July 2004, 26 March 2004, 5 March 2004, 20 February 2004, 13 February 2004, 6 February 2004

(Date of previous outbreak of highly pathogenic avian influenza in the People's Republic of China reported to the OIE: June 2004 [in poultry]).

immediate notification report

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.

Outbreaks:

Location	No. of outbreaks
Xinjiang autonomous region, Tacheng district, Tacheng city	1

Description of affected population: geese.

Total number of animals in the outbreak:

species	susceptible	cases	deaths	destroyed	slaughtered
avi	2,177	1,042	460	1,717	0

Diagnosis:

A. Laboratory where diagnosis was made: National Avian Influenza Reference Laboratory (Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences).

B. Diagnostic tests used: RT-PCR⁽¹⁾ and intravenous pathogenicity index test (7 June 2005).

C. Causal agent: highly pathogenic avian influenza virus type H5N1.

Epidemiology:

A. Source of agent / origin of infection: under investigation.

B. Mode of spread: migratory birds.

C. Other epidemiological details: the index farm is a backyard farm.

Control measures:

- quarantine;

- stamping out (in addition 11,740 birds located around the outbreak were destroyed);

- movement control inside the country;

- zoning;

- vaccination.

(1) RT-PCR: reverse transcriptase - polymerase chain reaction

Source: Office International des Epizooties - 10th June 2005