Cambodia - 1 new outbreak of highly pathogenic avian influenza H5N1 in backyard birds in Kampot (OIE, May 17, 2016)

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Highly pathogenic avian influenza, Cambodia

Information received on 17/05/2016 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 04/05/2016 Date of confirmation of the event 10/05/2016 Report date 17/05/2016 Date submitted to OIE 17/05/2016 Reason for notification Reoccurrence of a listed disease Date of previous occurrence 18/11/2015 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 (1)

Outbreak 1 (290/MAFF/Prakas) Koh Reussei, Trapaingbey, Chhuk, KAMPOT Date of start of the outbreak 04/05/2016 Outbreak status Resolved (12/05/2016) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 505 155 155 350 0 Affected population Local chickens and ducks in the village are affected.

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered Birds 505 155 155 350 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 30.69% 30.69% 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 May 9, 2016 after having received a report from a poultry owner, saying that its chickens and ducks were sick or dead, provincial and district veterinarians went there to check and took five sick chickens which they sent to the National Veterinary Research Institute for diagnosis. The test result of the National Veterinary Research Institute was positive to H5N1.

Control measures Measures applied Movement control inside the country Disinfection / Disinfestation Dipping / Spraying Stamping out Vaccination prohibited No treatment of affected animals Measures to be applied No other measures

Diagnostic test results Laboratory name and type Species Test Test date Result National Veterinary Research Institute (NAVRI) (National laboratory) Birds anatomo-pathological examination 10/05/2016 Positive National Veterinary Research Institute (NAVRI) (National laboratory) Birds real-time PCR 10/05/2016 Positive

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

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