Information received on 31/12/2020 from Dr Darius Remeika, Director of the State Food and Veterinary, State Food and Veterinary Service, Ministry of Agriculture, VILNIUS, Lithuania
Report type Follow-up report No. 1
Date of start of the event 26/11/2020
Date of confirmation of the event 26/11/2020
Report date 31/12/2020
Date submitted to OIE 31/12/2020
Reason for notification Emerging disease
Morbidity 0.02 %
Mortality 0.02 %
Zoonotic impact No
Causal agent SARS-CoV-2
Related reports Immediate notification (30/11/2020)
Follow-up report No. 1 (31/12/2020)
New outbreaks (1)
Outbreak 1 (2) Pavartyciu, Radviliskis, Siauliai
Date of start of the outbreak 30/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mustelidae 55000 5 5
Affected population In the framework of passive surveillance and due to the COVID-19 detection for five workers, five dead minks were sampled and SARS-CoV-2 virus was detected in four minks.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mustelidae 55000 5 5
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Mustelidae 0.01% 0.01% 100.00% **
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Source of the outbreak(s) or origin of infection
  • contact with infected workers
Control measures
Measures applied
  • Movement control inside the country
  • Quarantine
  • Selective killing and disposal
  • 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
National Food and Veterinary Risk Assessment Institute (National laboratory) Mustelidae polymerase chain reaction (PCR) 30/12/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations