COVID 19 in American minks,
France
Information received on 23/11/2020 from Dr Loic Evain, Directeur Général adjoint, CVO, Direction générale de l'alimentation, Ministère de l'Agriculture et de l'Alimentation, Paris, France
Summary
Report type Immediate notification
Date of start of the event 16/11/2020
Date of confirmation of the event 20/11/2020
Report date 23/11/2020
Date submitted to OIE 23/11/2020
Date event resolved 24/11/2020
Reason for notification Emerging disease
Morbidity 1 (scale 0 to 5)
Mortality 0 (scale 0 to 5)
Zoonotic impact No
Causal agent SARS-CoV2
Related reports Immediate notification (23/11/2020)
Follow-up report No. 1 (06/01/2021)
New outbreaks (1)
Outbreak 1 Champrond en gatine, Champrond en gatine, Eure-Et-Loir
Date of start of the outbreak 16/11/2020
Outbreak status Resolved (24/11/2020)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
American Mink:Neovison vison(Mustelidae) 4100 0 4100 0
Affected population American minks breeded for their fur in a farm. Evidence of contamination was established within the framework of programmed surveillance. 180 animals were sampled (blood and swabs). Out of 180 serological tests (ELISA), 174 tested positive. Out of 110 virological tests (PCR), 33 tested positive.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
American Mink:Neovison vison(Mustelidae) 4100 ** 0 4100 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
American Mink:Neovison vison(Mustelidae) ** 0.00% ** 100.00%
*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 Surveillance of the other three American mink farms identified on the French territory is on-going. First results coming from these other breeder farms are negative.
Control measures
Measures applied
  • Movement control inside the country
  • Stamping out
  • 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
Anses - Rabies and wildlife laboratory, Nancy (National laboratory) American Mink competitive ELISA (c-ELISA) 20/11/2020 Positive
Anses - Rabies and wildlife laboratory, Nancy (National laboratory) American Mink real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 20/11/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations