OIE: Highly pathogenic avian influenza, Cambodia

Information received on 09/12/2017 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	22/11/2017
Date of confirmation of the event	06/12/2017
Report date	09/12/2017
Date submitted to OIE	09/12/2017
Reason for notification	Recurrence of a listed disease
Date of previous occurrence	31/01/2017
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

KG. CHAM ( Kos Svay, Tropang Preah, Prey Chhor )

Total animals affected

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	1763	1739	1739	24	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	98.64%	98.64%	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 28 November 2017, a poultry farm´s owner in Kos Svay village (Tropang Preah commune, Prey Chhor district) reported sick and dead chicken to the Provincial Animal Health and Production Office (PAHPO). PAHPO tasked district veterinarians with verifying the cases. During that time, district veterinarians collected four samples on chicken from the farm and sent them to the National Animal Health and Production Research Institute (NAHPRI) to confirm the diagnosis in a laboratory. On 6 December 2017, the NAHPRI confirmed the positive result for H5N1.

Control measures

Measures applied	Movement control inside the country Stamping out Disinfection Vaccination prohibited No treatment of affected animals
Measures to be applied	Surveillance outside containment and/or protection zone

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	06/12/2017	Positive
Birds	real-time PCR	06/12/2017	Positive

Laboratory name and type

Pasteur Institute of Cambodia ( Regional Reference Laboratory )

Tests and results