Bulgaria - 3 new outbreaks of highly pathogenic avian influenza H5N8 in backyard birds and farms, Plovdiv, Haskovo (OIE, November 04, 2018)

[Pathfinder]

Highly pathogenic avian influenza, Bulgaria

Information received on 06/11/2018 from Dr Damyan Iliev, Chief Veterinary Officer & Deputy Executive Director, Bulgarian Food Safety Agency, Ministry of Agriculture and Food, Sofia, Bulgaria

Summary Report type Follow-up report No. 3 Date of start of the event 03/10/2018 Date of confirmation of the event 03/10/2018 Report date 04/11/2018 Date submitted to OIE 06/11/2018 Reason for notification Recurrence of a listed disease Date of previous occurrence 28/09/2018 Manifestation of disease Clinical disease Causal agent Highly pathogenic avian influenza virus Serotype H5N8 Nature of diagnosis Laboratory (basic) This event pertains to a defined zone within the country Related reports Immediate notification (08/10/2018) Follow-up report No. 1 (18/10/2018) Follow-up report No. 2 (26/10/2018) Follow-up report No. 3 (04/11/2018)

New outbreaks (3)

Outbreak 1 Bogdanitsa, Sadovo, Plovdiv Date of start of the outbreak 29/10/2018 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 39177 4200 4200 34977 0

Outbreak 2 Varbitsa, Dimitrovgrad, Haskovo Date of start of the outbreak 29/10/2018 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 4000 20 0 3980 0

Outbreak 3 Voivodovo, Haskovo, Haskovo Date of start of the outbreak 31/10/2018 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 150 138 138 12 0

Summary of outbreaks Total outbreaks: 3 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 43327 4358 4338 38969 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 10.06% 10.01% 99.54% 99.95% *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 All relevant emergency and eradication measures pursuant to Council Directive 2005/94/EC on Community measures for the control of avian influenza and the National contingency plan for AI have been enforced. Culling and disposing of affected animals to be carried out in accordance with the above mentioned legislation.

Control measures Measures applied Movement control inside the country Surveillance within containment and/or protection zone Traceability Official destruction of animal products Official disposal of carcasses, by-products and waste Stamping out Zoning Disinfection 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 reference laboratory for avian influenza and Newcastle disease (National laboratory) Birds real-time PCR 29/10/2018 Positive National reference laboratory for avian influenza and Newcastle disease (National laboratory) Birds real-time PCR 31/10/2018 Positive

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=28519