African swine fever,
Latvia
Information received on 31/10/2019 from Dr Maris Balodis, Chief Veterinary Officer & Director General, Food and Veterinary Service, Ministry of Agriculture, Riga, Latvia
Summary
Report type Follow-up report No. 37
Date of start of the event 02/01/2019
Date of confirmation of the event 02/01/2019
Report date 31/10/2019
Date submitted to OIE 31/10/2019
Reason for notification Recurrence of a listed disease
Date of previous occurrence 30/12/2018
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 (10/01/2019)
Follow-up report No. 1 (17/01/2019)
Follow-up report No. 2 (23/01/2019)
Follow-up report No. 3 (30/01/2019)
Follow-up report No. 4 (08/02/2019)
Follow-up report No. 5 (13/02/2019)
Follow-up report No. 6 (22/02/2019)
Follow-up report No. 7 (08/03/2019)
Follow-up report No. 8 (21/03/2019)
Follow-up report No. 9 (29/03/2019)
Follow-up report No. 10 (03/04/2019)
Follow-up report No. 11 (11/04/2019)
Follow-up report No. 12 (23/04/2019)
Follow-up report No. 13 (30/04/2019)
Follow-up report No. 14 (16/05/2019)
Follow-up report No. 15 (22/05/2019)
Follow-up report No. 16 (28/05/2019)
Follow-up report No. 17 (04/06/2019)
Follow-up report No. 18 (11/06/2019)
Follow-up report No. 19 (18/06/2019)
Follow-up report No. 20 (26/06/2019)
Follow-up report No. 21 (02/07/2019)
Follow-up report No. 22 (09/07/2019)
Follow-up report No. 23 (17/07/2019)
Follow-up report No. 24 (23/07/2019)
Follow-up report No. 25 (29/07/2019)
Follow-up report No. 26 (14/08/2019)
Follow-up report No. 27 (22/08/2019)
Follow-up report No. 28 (30/08/2019)
Follow-up report No. 29 (05/09/2019)
Follow-up report No. 30 (11/09/2019)
Follow-up report No. 31 (18/09/2019)
Follow-up report No. 32 (25/09/2019)
Follow-up report No. 33 (02/10/2019)
Follow-up report No. 34 (10/10/2019)
Follow-up report No. 35 (17/10/2019)
Follow-up report No. 36 (24/10/2019)
Follow-up report No. 37 (31/10/2019)
Follow-up report No. 38 (05/11/2019)
Follow-up report No. 39 (11/11/2019)
Follow-up report No. 40 (20/11/2019)
New outbreaks (12)
Outbreak 1 Amatas parish, Amatas county, Amatas
Date of start of the outbreak 21/10/2019
Outbreak status Resolved (23/10/2019)
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 Skrundas parish, Skrundas county, Skrundas
Date of start of the outbreak 21/10/2019
Outbreak status Resolved (23/10/2019)
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 Kazdangas parish, Aizputes county, Aizputes
Date of start of the outbreak 21/10/2019
Outbreak status Resolved (23/10/2019)
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 Vecpils parish, Durbes county, Durbes
Date of start of the outbreak 22/10/2019
Outbreak status Resolved (24/10/2019)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 0 1 0
Outbreak 5 Lielplatones parish, Jelgavas county, Jelgavas
Date of start of the outbreak 23/10/2019
Outbreak status Resolved (25/10/2019)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 0 1 0
Outbreak 6 Lutrinu parish, Saldus county, Saldus
Date of start of the outbreak 23/10/2019
Outbreak status Resolved (25/10/2019)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 0 1 0
Outbreak 7 Pasienes parish, Zilupes county, Zilupes
Date of start of the outbreak 23/10/2019
Outbreak status Resolved (25/10/2019)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 0 1 0
Outbreak 8 Vecpiebalgas parish, Vecpiebalgas county, Vecpiebalgas
Date of start of the outbreak 23/10/2019
Outbreak status Resolved (25/10/2019)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 0 1 0
Outbreak 9 Irsu parish, Kokneses county, Kokneses
Date of start of the outbreak 23/10/2019
Outbreak status Resolved (25/10/2019)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 1 0 1 0
Outbreak 10 Nikraces parish, Skrundas county, Skrundas
Date of start of the outbreak 24/10/2019
Outbreak status Resolved (26/10/2019)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 2 0 2 0
Outbreak 11 Kalniesu parish, Kraslavas county, Krāslavas
Date of start of the outbreak 24/10/2019
Outbreak status Resolved (26/10/2019)
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 Ozolaines parish, Rezeknes county, Rēzeknes
Date of start of the outbreak 25/10/2019
Outbreak status Resolved (28/10/2019)
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: 12
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Wild boar:Sus scrofa(Suidae) 13 0 13 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Wild boar:Sus scrofa(Suidae) ** ** 0.00% **
*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 African swine fever positive wild boars were hunted within the restricted area listed under the zones of Annex to European 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
  • Control of wildlife reservoirs
  • Zoning
  • Disinfection
  • 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) 21/10/2019 Positive
Institute of Food Safety, Animal Health and Environment, BIOR (National laboratory) Wild boar immunoperoxidase monolayer assay (IPMA) 23/10/2019 Positive
Institute of Food Safety, Animal Health and Environment, BIOR (National laboratory) Wild boar immunoperoxidase monolayer assay (IPMA) 24/10/2019 Positive
Institute of Food Safety, Animal Health and Environment, BIOR (National laboratory) Wild boar immunoperoxidase monolayer assay (IPMA) 25/10/2019 Positive
Institute of Food Safety, Animal Health and Environment, BIOR (National laboratory) Wild boar real-time PCR 21/10/2019 Positive
Institute of Food Safety, Animal Health and Environment, BIOR (National laboratory) Wild boar real-time PCR 22/10/2019 Positive
Institute of Food Safety, Animal Health and Environment, BIOR (National laboratory) Wild boar real-time PCR 24/10/2019 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations