African swine fever,
Latvia
Information received on 12/01/2018 from Dr Maris Balodis, Chief Veterinary Officer & Director General, Food and Veterinary Service, Ministry of Agriculture, Riga, Latvia
Summary
Report type Immediate notification
Date of start of the event 02/01/2018
Date of confirmation of the event 02/01/2018
Report date 12/01/2018
Date submitted to OIE 12/01/2018
Reason for notification Recurrence of a listed disease
Date of previous occurrence 29/12/2017
Manifestation of disease Clinical disease
Causal agent African swine fever virus
Nature of diagnosis Clinical, Laboratory (advanced), Necropsy
This event pertains to the whole country
Related reports Immediate notification (12/01/2018)
Follow-up report No. 1 (18/01/2018)
New outbreaks (27)
Outbreak 1 Krisjanu parish, Balvu county, Balvu
Date of start of the outbreak 02/01/2018
Outbreak status Resolved (04/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 0 1 0
Outbreak 2 Malupes parish, Aluksnes county, Alūksnes
Date of start of the outbreak 02/01/2018
Outbreak status Resolved (04/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 0 1 0
Outbreak 3 Istras parish, Ludzas county, Ludzas
Date of start of the outbreak 02/01/2018
Outbreak status Resolved (04/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 0 1 0
Outbreak 4 Gibulu parish, Talsu county, Talsu
Date of start of the outbreak 02/01/2018
Outbreak status Resolved (04/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 1 0 0
Outbreak 5 Raunas parish, Raunas county, Raunas
Date of start of the outbreak 02/01/2018
Outbreak status Resolved (04/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 1 0 0
Outbreak 6 Blidenes parish, Brocenu county, Brocēnu
Date of start of the outbreak 02/01/2018
Outbreak status Resolved (04/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 2 2 0 0
Outbreak 7 Kabiles parish, Kuldigas county, Kuldīgas
Date of start of the outbreak 03/01/2018
Outbreak status Resolved (05/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 1 0 0
Outbreak 8 Kabiles parish, Kuldigas county, Kuldīgas
Date of start of the outbreak 03/01/2018
Outbreak status Resolved (05/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 1 0 0
Outbreak 9 Kabiles parish, Kuldigas county, Kuldīgas
Date of start of the outbreak 03/01/2018
Outbreak status Resolved (05/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 1 0 0
Outbreak 10 Naudites parish, Dobeles county, Dobeles
Date of start of the outbreak 03/01/2018
Outbreak status Resolved (05/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 5 5 0 0
Outbreak 11 Naudites parish, Dobeles county, Dobeles
Date of start of the outbreak 03/01/2018
Outbreak status Resolved (05/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 0 1 0
Outbreak 12 Zebrenes parish, Dobeles county, Dobeles
Date of start of the outbreak 03/01/2018
Outbreak status Resolved (05/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 0 1 0
Outbreak 13 Padures parish, Kuldigas county, Kuldīgas
Date of start of the outbreak 03/01/2018
Outbreak status Resolved (05/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 0 1 0
Outbreak 14 Rendas parish, Kuldigas county, Kuldīgas
Date of start of the outbreak 03/01/2018
Outbreak status Resolved (05/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 0 1 0
Outbreak 15 Skedes parish, Saldus county, Saldus
Date of start of the outbreak 03/01/2018
Outbreak status Resolved (05/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 0 1 0
Outbreak 16 Eveles parish, Burtnieku county, Burtnieku
Date of start of the outbreak 03/01/2018
Outbreak status Resolved (05/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 3 0 3 0
Outbreak 17 Balgales parish, Talsu county, Talsu
Date of start of the outbreak 04/01/2018
Outbreak status Resolved (08/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 0 1 0
Outbreak 18 Berzinu parish, Dagdas county, Dagdas
Date of start of the outbreak 04/01/2018
Outbreak status Resolved (08/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 2 0 2 0
Outbreak 19 Vietalvas parish, Plavinu county, Pļaviņu
Date of start of the outbreak 04/01/2018
Outbreak status Resolved (08/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 0 1 0
Outbreak 20 Viesites parish, Viesites county, Viesītes
Date of start of the outbreak 04/01/2018
Outbreak status Resolved (08/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 0 1 0
Outbreak 21 Virbu parish, Talsu county, Talsu
Date of start of the outbreak 04/01/2018
Outbreak status Resolved (08/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 1 0 0
Outbreak 22 Libagu parish, Talsu county, Talsu
Date of start of the outbreak 04/01/2018
Outbreak status Resolved (08/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 2 2 0 0
Outbreak 23 Gibulu parish, Talsu county, Talsu
Date of start of the outbreak 04/01/2018
Outbreak status Resolved (08/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 6 6 0 0
Outbreak 24 Zalves parish, Neretas county, Neretas
Date of start of the outbreak 04/01/2018
Outbreak status Resolved (08/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 3 3 0 0
Outbreak 25 Jersikas parish, Livanu county, Līvānu
Date of start of the outbreak 05/01/2018
Outbreak status Resolved (09/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 0 1 0
Outbreak 26 Skaistkalnes parish, Vecumnieku county, Vecumnieku
Date of start of the outbreak 05/01/2018
Outbreak status Resolved (09/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 0 1 0
Outbreak 27 Libagu parish, Talsu county, Talsu
Date of start of the outbreak 05/01/2018
Outbreak status Resolved (09/01/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 0 1 0
Summary of outbreaks Total outbreaks: 27
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 43 24 19 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Wild boar:Sus scrofa(Suidae) ** ** 55.81% **
*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 ASF positive wild boar were hunted or found dead within the already defined African swine fever infected area which had been established in accordance with the EU legislation - Commission Implementing Decision 2014/709/EU.
Control measures
Measures applied
  • Movement control inside the country
  • Screening
  • Quarantine
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Control of wildlife reservoirs
  • Zoning
  • Disinfection
  • Disinfestation
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
Institute of Food Safety, Animal Health and Environment, BIOR (National laboratory) Wild boar immunoperoxidase monolayer assay (IPMA) 02/01/2018 Positive
Institute of Food Safety, Animal Health and Environment, BIOR (National laboratory) Wild boar immunoperoxidase monolayer assay (IPMA) 04/01/2018 Positive
Institute of Food Safety, Animal Health and Environment, BIOR (National laboratory) Wild boar immunoperoxidase monolayer assay (IPMA) 05/01/2018 Positive
Institute of Food Safety, Animal Health and Environment, BIOR (National laboratory) Wild boar real-time PCR 02/01/2018 Positive
Institute of Food Safety, Animal Health and Environment, BIOR (National laboratory) Wild boar real-time PCR 03/01/2018 Positive
Institute of Food Safety, Animal Health and Environment, BIOR (National laboratory) Wild boar real-time PCR 04/01/2018 Positive
Institute of Food Safety, Animal Health and Environment, BIOR (National laboratory) Wild boar real-time PCR 05/01/2018 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations