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Maedi-visna, Norway
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Information received on 29/02/2020 from Mr Knut Rønningen, Director, Norwegian Food Safety Authority,
Ministry of Agriculture and Food, Brumunddal, Norway
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Summary
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Outbreak 1 |
R,Vestv, Innherred and Fosen Department, Central Region, Nord-Trondelag |
Date of start of the outbreak |
29/01/2020 |
Outbreak status |
Resolved (12/03/2020) |
Epidemiological unit |
Farm |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Sheep |
42 |
39 |
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42 |
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Affected population |
One of four goats was positive. |
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Outbreak 2 |
Inderø, Rundh, Innherred and Fosen Departement, Central Region, Nord-Trondelag |
Date of start of the outbreak |
11/02/2020 |
Outbreak status |
Resolved (19/03/2020) |
Epidemiological unit |
Farm |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Sheep |
87 |
37 |
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1 |
70 |
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Affected population |
Contact farm. |
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Outbreak 3 |
Mosv, Myrl, Innherred and Fosen Departement, Central Region, Nord-Trondelag |
Date of start of the outbreak |
11/02/2020 |
Outbreak status |
Continuing (or date resolved not provided) |
Epidemiological unit |
Farm |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Sheep |
115 |
1 |
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Affected population |
Contact farm. |
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Summary of outbreaks |
Total outbreaks: 3 |
Total animals affected |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Sheep |
244 |
77 |
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1 |
112 |
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Outbreak statistics |
Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
Sheep |
31.56% |
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** |
** |
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*Removed from the susceptible population through death, destruction and/or slaughter |
**Not calculated because of missing information |
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Epidemiology
Source of the outbreak(s) or origin of infection |
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Control measures
Measures applied |
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Movement control inside the country
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Surveillance within containment and/or protection zone
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Traceability
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Quarantine
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Vaccination permitted (if a vaccine exists)
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No treatment of affected animals
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Measures to be applied |
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Selective killing and disposal
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Slaughter
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Ante and post-mortem inspections
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Future Reporting
The event is continuing. Weekly follow-up reports will be submitted. |
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Map of outbreak locations
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