Foot and mouth disease outbreak in China

CHINA - This is a report via the OIE on the foot and mouth outbreak in China

18 January 2007

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Asia

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Information received on 19/01/2007 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	15/01/2007
Date of confirmation of event	17/01/2007
Report date	19/01/2007
Date submitted to OIE	19/01/2007
Reason for notification	Reoccurrence of listed disease
Date of previous occurrence	11/2006
Manifestation of disease	Clinical disease
Causal agent	foot and mouth disease virus
Serotype	Asia 1
Nature of diagnosis	Clinical, Laboratory (advanced)
Report pertains to	Defined zone within the country

New Outbreaks

Outbreak 1

Doucheng, Baiyin city, GANSU

Date of start of outbreak

22/01/2007

Outbreak status

Continuing (or date resolved not submitted)

Epidemiological unit

Village

Affected animals

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Cattle	89	7	0	89	0

Summary of outbreaks

Total outbreaks: 1

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible removed*
Cattle	7.87%	0.00%	0.00%	100.00%

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

Epidemiology

Source of infection

Unknown or inconclusive

Control measures

Measures already applied	Movement control inside the country Screening Vaccination in response to the outbreak (s) Disinfection of infected premises/establishment(s) Dipping / Spraying Quarantine Stamping out Zoning Vaccination permitted No treatment of affected animals
Measures to be applied	None specified

Diagnostic test results

Laboratory name and type

Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences (national reference laboratory for FMD) (National laboratory)

Tests and results

Species	Test	Test date	Result
Cattle	liquid-phase (LP) blocking ELISA	17/01/2007	Positive
Cattle	reverse transcription – polymerase chain reaction (RT-PCR)	17/01/2007	Positive
Cattle	virus isolation	17/01/2007	Positive