Myanmar - 1 new outbreak of highly pathogenic avian influenza H5N1 in 88 chicken layer farms and 50 quail layer farms in Monywa, Sagaing Region (OIE, May 15, 2015)

[Pathfinder]

Highly pathogenic avian influenza, Myanmar

Information received on 15/05/2015 from Dr Myint Than, Director General, Livestock Breeding and Veterinary, Ministry of Livestock and Fisheries, Nay Pyi Taw, Myanmar

Summary Report type Follow-up report No. 1 Date of start of the event 12/02/2015 Date of confirmation of the event 21/02/2015 Report date 15/05/2015 Date submitted to OIE 15/05/2015 Reason for notification Reoccurrence of a listed disease Date of previous occurrence 07/2012 Manifestation of disease Clinical disease Causal agent Highly pathogenic avian influenza virus Serotype H5N1 Nature of diagnosis Clinical, Laboratory (advanced), Necropsy This event pertains to a defined zone within the country Related reports Immediate notification (28/02/2015) Follow-up report No. 1 (15/05/2015)

New outbreaks (1)

Outbreak 1 Kyauk sit pon, Monywa, Monywa, SAGAING Date of start of the outbreak 12/02/2015 Outbreak status Resolved (24/03/2015) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 336106 134284 134284 201822 Affected population 88 chicken layer farms and 50 quail layer farms within livestock zone

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered Birds 336106 134284 134284 201822 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 39.95% 39.95% 100.00% ** *Removed from the susceptible population through death, destruction and/or slaughter **Not calculated because of missing information

Epidemiology Source of the outbreak(s) or origin of infection Unknown or inconclusive Epidemiological comments Lack of biosecurity within the zone. Epidemiological linkage between the farms.

Control measures Measures applied Stamping out Quarantine Movement control inside the country Zoning Disinfection of infected premises/establishment(s) Dipping / Spraying 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 Mandalay Diagnostic laboratory (National laboratory) Birds real-time PCR 26/02/2015 Positive

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