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

OIE: Influenza A Virus, China (People´s Rep. of)
submited by kickingbird at Dec, 18, 2009 9:59 AM from OIE

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)

Summary

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

Location(s)

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

Epidemiology

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.

See Also:

http://www.oie.int

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