OIE: Influenza A Virus, China (People´s Rep. of)

Information received on 17/12/2009 from Dr Zhang Zhongqiu, Deputy Director General , China Animal Disease Control Centre, Veterinary Bureau, Beijing, China (People´s Rep. of)


Report type Immediate notification (Final report)
Start date 28/10/2009
Date of first confirmation of the event 19/11/2009
Report date 11/12/2009
Date submitted to OIE 17/12/2009
Date event resolved 25/11/2009
Reason for notification Emerging disease
Morbidity 4 scale05
Mortality 0 scale05
Zoonotic impact No
Causal agent Influenza A/H1N1 virus

New outbreaks

Summary of outbreaks Total outbreaks: 2
  • BEIJING (Animal Hospital of China Agriculture University)
  • HEILONGJIANG (Shuangcheng slaughterhouse)
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Dogs 52 2 0 0 0
Swine 60 4 0 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Dogs 3.85% 0.00% 0.00% 0.00%
Swine 6.67% 0.00% 0.00% 0.00%

* Removed from the susceptible population through death, destruction and/or slaughter


Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments All viruses were found during routine surveillance or inspection according to the guidelines of Ministry of Agriculture and no other A/H1N1 outbreaks were found after surveillance of 25,075 animal samples in total by now.

Control measures

Measures applied
  • No vaccination
  • No treatment of affected animals
Measures to be applied
  • No other measures

Diagnostic test results

Laboratory name and type Animal Hospital of China Agriculture University (Local laboratory)
Tests and results
Species Test Test date Result
Dogs real-time PCR 25/11/2009 Positive
Dogs virus isolation 25/11/2009 Positive
Laboratory name and type Harbin Veterinary Research Institute (OIE’s Reference Laboratory)
Tests and results
Species Test Test date Result
Swine real-time PCR 19/11/2009 Positive
Swine virus isolation 19/11/2009 Positive

Future Reporting

The event is resolved. No more reports will be submitted.