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Scrapie,
Tunisia
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Information received on 04/08/2020 from Dr Malek Zrelli, Directeur Général, Direction Générale des Services Vétérinaires,
Ministère de l'Agriculture, Tunis, Tunisia
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Summary
| Report type |
Immediate notification |
| Date of start of the event |
01/09/2019 |
| Date of confirmation of the event |
16/07/2020 |
| Report date |
04/08/2020 |
| Date submitted to OIE |
04/08/2020 |
| Reason for notification |
First occurrence of a listed disease in the country |
| Causal agent |
Prion PrPSc |
| Nature of diagnosis |
Clinical, Laboratory (basic), Laboratory (advanced) |
| This event pertains to |
the whole country |
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| Outbreak 1 |
Meghni, Meghni, Remada, Tataouine |
| Date of start of the outbreak |
01/09/2019 |
| Outbreak status |
Continuing (or date resolved not provided) |
| Epidemiological unit |
Farm |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Goats |
30 |
0 |
0 |
0 |
0 |
| Sheep |
60 |
1 |
1 |
0 |
0 |
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| Affected population |
This is a 6-year-old ewe of Barbarin breed which has been purchased, according to the farmer, since 2016 (origin unknown). It presented the following signs: change in behavior, pruritus, repetitive licking, teeth grinding and then paralysis. The clinical signs lasted 52 days before the death of the animal. |
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| Summary of outbreaks |
Total outbreaks: 1 |
| Total animals affected |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Goats |
30 |
0 |
0 |
0 |
0 |
| Sheep |
60 |
1 |
1 |
0 |
0 |
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| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
| Goats |
0.00% |
0.00% |
- |
0.00% |
| Sheep |
1.67% |
1.67% |
100.00% |
1.67% |
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| *Removed from the susceptible population through death, destruction and/or slaughter |
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Epidemiology
| Source of the outbreak(s) or origin of infection |
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| Epidemiological comments |
The origin of the sick animal is unknown.
- Reinforcement of passive surveillance
- Awareness
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Control measures
| Measures applied |
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Surveillance outside containment and/or protection zone
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Surveillance within containment and/or protection zone
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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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Diagnostic test results
| Laboratory name and type |
Species |
Test |
Test date |
Result |
| National school of veterinary medicine of Sidi Thabet (National laboratory) |
Sheep |
histopathological examination |
05/11/2019 |
Positive |
| Istituto Superiore di Sanità, 299, Viale Regina Elena, 00161 – Rome (Italy) (Regional Reference Laboratory) |
Sheep |
western blot |
16/07/2020 |
Positive |
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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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