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