Laos - 1 new outbreak of highly pathogenic avian influenza H5N1 in birds in LuangPrabang (OIE, October 14, 2016)

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Highly pathogenic avian influenza, Laos

Information received on 14/10/2016 from Dr Somphanh Chanphengxay, Director General, Department of Livestock and Fisheries, Ministry of Agriculture and Forestry, Vientiane, Laos

Summary Report type Immediate notification Date of start of the event 28/09/2016 Date of confirmation of the event 05/10/2016 Report date 14/10/2016 Date submitted to OIE 14/10/2016 Reason for notification Reoccurrence of a listed disease Date of previous occurrence 2015 Manifestation of disease Clinical disease Causal agent Highly pathogenic avian influenza virus Serotype H5N1 Nature of diagnosis Clinical, Laboratory (advanced) This event pertains to a defined zone within the country

New outbreaks (1)

Outbreak 1 Viengsavanh, LuangPrabang, LUANGPRABANG Date of start of the outbreak 28/09/2016 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 150 47 47 103 0 Affected population 130 chickens and 20 ducks. 47 chickens died and the remaining poultry was destroyed.

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered Birds 150 47 47 103 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 31.33% 31.33% 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 Disinfection / Disinfestation Dipping / Spraying Quarantine Surveillance outside containment and/or protection zone Surveillance within containment and/or protection zone Modified 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 Animal Health Centre (National laboratory) Birds real-time PCR 05/10/2016 Positive

Future Reporting

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http://www.oie.int/wahis_2/public/wa...reportid=21176