OIE: Equine influenza, China (People´s Republic)

OIE: Equine influenza, China (People´s Republic)
submited by kickingbird at Nov, 6, 2007 13:43 PM from OIE

Information received on 05/11/2007 from Mr Jia Youling, National Chief Veterinary Officer, Veterinary Bureau, Director General, BEIJING, China (People´s Rep. of)

Summary

Report type	Immediate notification
Start date	09/10/2007
Date of confirmation of event	30/10/2007
Report date	05/11/2007
Date submitted to OIE	05/11/2007
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	1994
Manifestation of disease	Clinical disease
Causal agent	Equine influenza virus A subtype H3N8
Nature of diagnosis	Clinical, Laboratory (advanced)
Report pertains to	Entire country

New outbreaks

Outbreak 1

Altay, XINJIANG

Date of start of outbreak

09/10/2007

Outbreak status

Continuing (or date resolved not submitted)

Epidemiological unit

Village

Affected animals

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Equidae	130000	5515	0	0	0

Summary of outbreaks

Total outbreaks: 1

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible removed*
Equidae	4.24%	0.00%	0.00%	0.00%

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

Epidemiology

Source of infection	Unknown or inconclusive
Epidemiological comments	Note by the OIE´s Animal Health Information Department: Information was not provided outbreak by outbreak. Figures indicate the total number of susceptible animals and cases in seven counties, namely Altay, Burqin, Fuhai, Fuyun, Habahe, Jemnay and Qinghe.

Control measures

Measures already applied	Movement control inside the country Screening Disinfection of infected premises/establishment(s) Dipping / Spraying Quarantine Zoning Vaccination permitted Treatment of affected animals (-)
Measures to be applied	None specified

Diagnostic test results

Laboratory name and type

Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (National laboratory)

Tests and results

Species	Test	Test date	Result
Equidae	haemagglutination inhibition test (HIT)	30/10/2007	Positive
Equidae	reverse transcription – polymerase chain reaction (RT-PCR)	30/10/2007	Positive
Equidae	virus isolation	30/10/2007	Positive

Map of outbreak locations

Location of current outbreaks

See Also:

http://www.oie.int/wahid-prod/public.php?page=single_report&pop=1&reportid=6429

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