Vietnam - 1 new outbreak of highly pathogenic avian influenza H5N1 in backyard birds, Soc Trang province (OIE, August 19, 2015)

[Pathfinder]

Highly pathogenic avian influenza, Vietnam

Information received on 19/08/2015 from Dr Dong Pham Van, Director General, Chief Veterinary Officer, Department of Animal Health, Ministry of Agriculture and Rural Development, Hano?, Vietnam

Summary Report type Follow-up report No. 2 Date of start of the event 18/07/2015 Date of confirmation of the event 22/07/2015 Report date 19/08/2015 Date submitted to OIE 19/08/2015 Reason for notification Reoccurrence of a listed disease Date of previous occurrence 24/06/2015 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 Related reports Immediate notification (24/07/2015) Follow-up report No. 1 (11/08/2015) Follow-up report No. 2 (19/08/2015)

New outbreaks (1)

Outbreak 1 Tham Don, Tham Don, My Xuyen, SOC TRANG Date of start of the outbreak 16/08/2015 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 114 114 102 12 0

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered Birds 114 114 102 12 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 100.00% 89.47% 89.47% 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 Disinfection / Disinfestation Surveillance outside containment and/or protection zone Modified stamping out No vaccination No treatment of affected animals Measures to be applied No other measures

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

.../

http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=18446