OIE: Highly pathogenic avian influenza ,Cambodia

Information received on 27/01/2013 from Dr Sen Sovann, Deputy Secretary General , Ministry of Agriculture, Forestry and Fisheries , Ministry of Agriculture, Forestry and Fisheries , Phnom Penh, Cambodia

Summary

Report type	Immediate notification
Date of start of the event	09/01/2013
Date of pre-confirmation of the event	24/01/2013
Report date	27/01/2013
Date submitted to OIE	27/01/2013
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	11/06/2012
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N1
Nature of diagnosis	Suspicion, Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to	the whole country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

TAKEO ( Snau, Snau, Prey Kambas )

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	7393	2304	2304	4743	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	31.16%	31.16%	100.00%	95.32%

* 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

On 22 January 2013, after receiving information from Ministry of Health on a girl aged 17 living in Snau village who was reported dead and confirmed infected with H5N1, an investigation team from the National Veterinary Research Institute (NaVRI) of the Department of Animal Health and Production (DAHP) went to the village to investigate and take some samples from local chicken and ducks. Some samples were confirmed positive for HPAI H5N1.

Control measures

Measures applied	Movement control inside the country Disinfection of infected premises/establishment(s) Dipping / Spraying Modified stamping out Vaccination prohibited No treatment of affected animals
Measures to be applied	No other measures

Diagnostic test results

Laboratory name and type

National Veterinary Research Institute ( National laboratory )

Tests and results

Species	Test	Test date	Result
Birds	inoculation test	24/01/2013	Positive
Birds	parasitological examination	24/01/2013	Positive
Birds	real-time PCR	24/01/2013	Positive

Laboratory name and type

Pasteur Institute of Cambodia ( Regional Reference Laboratory )

Tests and results

Species	Test	Test date	Result
Birds	real-time PCR	24/01/2013	Positive

Future Reporting

The event is continuing. Weekly follow-up reports will be submitted.