African swine fever,
Bulgaria
Information received on 06/01/2020 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. 33
Date of start of the event 03/07/2019
Date of confirmation of the event 03/07/2019
Report date 04/01/2020
Date submitted to OIE 06/01/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 30/09/2018
Manifestation of disease Clinical disease
Causal agent African swine fever virus
Nature of diagnosis Laboratory (basic)
This event pertains to a defined zone within the country
Related reports Immediate notification (03/07/2019)
Follow-up report No. 1 (09/07/2019)
Follow-up report No. 2 (14/07/2019)
Follow-up report No. 3 (18/07/2019)
Follow-up report No. 4 (03/08/2019)
Follow-up report No. 5 (22/08/2019)
Follow-up report No. 6 (22/08/2019)
Follow-up report No. 7 (23/08/2019)
Follow-up report No. 8 (23/08/2019)
Follow-up report No. 9 (02/09/2019)
Follow-up report No. 10 (04/09/2019)
Follow-up report No. 11 (13/09/2019)
Follow-up report No. 12 (18/09/2019)
Follow-up report No. 13 (19/09/2019)
Follow-up report No. 14 (23/09/2019)
Follow-up report No. 15 (27/09/2019)
Follow-up report No. 16 (04/10/2019)
Follow-up report No. 17 (10/10/2019)
Follow-up report No. 18 (11/10/2019)
Follow-up report No. 19 (15/10/2019)
Follow-up report No. 20 (18/10/2019)
Follow-up report No. 21 (18/10/2019)
Follow-up report No. 22 (22/10/2019)
Follow-up report No. 23 (24/10/2019)
Follow-up report No. 24 (01/11/2019)
Follow-up report No. 25 (07/11/2019)
Follow-up report No. 26 (19/11/2019)
Follow-up report No. 27 (25/11/2019)
Follow-up report No. 28 (16/12/2019)
Follow-up report No. 29 (17/12/2019)
Follow-up report No. 30 (17/12/2019)
Follow-up report No. 31 (20/12/2019)
Follow-up report No. 32 (20/12/2019)
Follow-up report No. 33 (04/01/2020)
Follow-up report No. 34 (09/01/2020)
Follow-up report No. 35 (22/01/2020)
Follow-up report No. 36 (09/03/2020)
Follow-up report No. 37 (27/03/2020)
Follow-up report No. 38 (08/06/2020)
New outbreaks (3)
Outbreak 1 Byal bryag, Sumen
Date of start of the outbreak 30/12/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 153 153 2 151 0
Outbreak 2 Byal bryag, Sumen
Date of start of the outbreak 30/12/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 22 22 1 21 0
Outbreak 3 Nikola Kozlevo, Sumen
Date of start of the outbreak 03/01/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 24000 64 64 23936 0
Summary of outbreaks Total outbreaks: 3
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 24175 239 67 24108 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Swine 0.99% 0.28% 28.03% 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
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Screening
  • Zoning
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • Stamping out
  • Disinfection
  • Disinfestation
Diagnostic test results
Laboratory name and type Species Test Test date Result
National Reference Laboratory for classical swine fever and African swine fever (National laboratory) Swine real-time PCR 18/12/2019 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations