Cambodia - 1 new outbreak of highly pathogenic avian influenza virus H5N1 in birds in farm, Siem Reap (OIE, March 28, 2018)

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Highly pathogenic avian influenza, Cambodia

Information received on 28/03/2018 from Dr Sen Sovann, Director General , Ministry of Agriculture, Forestry and Fisheries , General Directorate of Animal Health and Production (GDAHP), Phnom Penh, Cambodia

Summary Report type Follow-up report No. 8 Date of start of the event 22/11/2017 Date of confirmation of the event 06/12/2017 Report date 28/03/2018 Date submitted to OIE 28/03/2018 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) This event pertains to the whole country Related reports Immediate notification (09/12/2017) Follow-up report No. 1 (18/12/2017) Follow-up report No. 2 (30/12/2017) Follow-up report No. 3 (16/01/2018) Follow-up report No. 4 (09/02/2018) Follow-up report No. 5 (13/02/2018) Follow-up report No. 6 (20/02/2018) Follow-up report No. 7 (04/03/2018) Follow-up report No. 8 (28/03/2018)

New outbreaks (1)

Outbreak 1 (213/18 NAHPRI) Prey Kroch Village, Krobey Real, Siem Reap, Siem Reap Date of start of the outbreak 15/03/2018 Outbreak status Resolved (24/03/2018) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 200 23 23 177 0 Affected population On March 14th, 2018, a farm owner reported sick and dead poultry to the Provincial Animal Health and Production Office, requesting to collect samples for testing. On March 16th, laboratory results confirmed the presence of highly pathogenic avian influenza virus, serotype H5N1.

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 200 23 23 177 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 11.50% 11.50% 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

Control measures Measures applied Movement control inside the country Surveillance within containment and/or protection zone 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 Species Test Test date Result National Animal Health and Production Research Institute (NAHPRI) (National laboratory) Birds real-time PCR 16/03/2018 Positive Institute Pasteur of Cambodia (Private Laboratory) Birds real-time PCR 17/03/2018 Positive

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

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http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=26300