Highly pathogenic avian influenza,
Bulgaria
Information received on 10/06/2018 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. 2 (Final report)
Date of start of the event 02/03/2018
Date of confirmation of the event 02/03/2018
Report date 10/06/2018
Date submitted to OIE 10/06/2018
Date event resolved 27/05/2018
Reason for notification First occurrence of a listed disease
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis Laboratory (basic), Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (08/03/2018)
Follow-up report No. 1 (05/04/2018)
Follow-up report No. 2 (10/06/2018)
New outbreaks (5)
Outbreak 1 Krumovo, Plovdiv
Date of start of the outbreak 10/04/2018
Outbreak status Resolved (15/04/2018)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 5600 15 15 5585 0
Outbreak 2 Plovdiv, “Chekeritsa” , Stryama, Plovdiv
Date of start of the outbreak 17/04/2018
Outbreak status Resolved (18/04/2018)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 720 557 557 163 0
Outbreak 3 Malevo, Haskovo
Date of start of the outbreak 19/04/2018
Outbreak status Resolved (24/04/2018)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 2000 39 39 1961 0
Outbreak 4 Plovdiv, Plovdiv
Date of start of the outbreak 24/04/2018
Outbreak status Resolved (30/04/2018)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 9450 139 139 9311 0
Outbreak 5 Stefanovo, Dobric
Date of start of the outbreak 25/05/2018
Outbreak status Resolved (27/05/2018)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 21071 5365 5365 15706 0
Summary of outbreaks Total outbreaks: 5
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 38841 6115 6115 32726 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 15.74% 15.74% 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
  • Fomites (humans, vehicles, feed, etc.)
  • Contact with wild species
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Traceability
  • Official destruction of animal products
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Control of wildlife reservoirs
  • 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 10/04/2018 Positive
National Reference Laboratory for Avian Influenza and Newcastle Disease (National laboratory) Birds real-time PCR 17/04/2018 Positive
National Reference Laboratory for Avian Influenza and Newcastle Disease (National laboratory) Birds real-time PCR 19/04/2018 Positive
National Reference Laboratory for Avian Influenza and Newcastle Disease (National laboratory) Birds real-time PCR 24/04/2018 Positive
National Reference Laboratory for Avian Influenza and Newcastle Disease (National laboratory) Birds real-time PCR 25/05/2018 Positive
Future Reporting
The event is resolved. No more reports will be submitted.
Map of outbreak locations