OIE: Highly pathogenic avian influenza, Cambodia

Information received on 31/01/2017 from Dr Sen Sovann, OIE Delegate/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	25/01/2017
Date of confirmation of the event	27/01/2017
Report date	31/01/2017
Date submitted to OIE	31/01/2017
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	12/05/2016
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N1
Nature of diagnosis	Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to	the whole country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

SVAY RIENG ( Bayarb, Basak, Svay Chrum )

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	390	68	68	322	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	17.44%	17.44%	100.00%	100.00%

* 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

On 25 January 2017 after having received a report from a poultry owner declaring that the poultry was sick and dead, National Animal Health and Production Research Institute (NAHPRI) and Provincial Veterinary teams go to the village to investigate and take samples. At the time, three local chicken samples were taken and sent to the NAHPRI for diagnosis. The sample test result confirmed positive for H5N1.

Control measures

Measures applied	Movement control inside the country Disinfection / Disinfestation Dipping / Spraying for control of vectors or parasites Stamping out Official disposal of carcasses, by-products and waste Vaccination prohibited No treatment of affected animals
Measures to be applied	No other measures

Diagnostic test results

Laboratory name and type

National Animal Health and Production Research Institute (NAHPRI) ( National laboratory )

Tests and results

Species	Test	Test date	Result
Birds	anatomo-pathological examination	27/01/2017	Positive
Birds	real-time PCR	27/01/2017	Positive

Laboratory name and type

Institute Pasteur, Cambodia ( Regional Reference Laboratory )