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Libya - Outbreaks of Rift Valley fever in animals 2020
Libya - Outbreaks of Rift Valley fever in animals 2020
Rift Valley fever,
Libya
Information received on 15/01/2020 from Dr Zakaria Mohamed Mustafa Elkhatal, Director General, National Centre for Animal Health (NCAH), Ministry of Agriculture, Animal & Marine Wealth, Tripoli, Libya
Summary
Report type
Immediate notification
Date of start of the event
12/12/2019
Date of confirmation of the event
13/01/2020
Report date
15/01/2020
Date submitted to OIE
15/01/2020
Reason for notification
First occurrence of a listed disease in the country
Causal agent
Rift Valley fever virus
Nature of diagnosis
Laboratory (basic)
This event pertains to
the whole country
New outbreaks (2)
Outbreak 1
South East. Farm 2, Aljouf, Alkufrah, Al Kufrah
Date of start of the outbreak
12/12/2019
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Farm
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Sheep
100
1
0
0
0
Outbreak 2
South East. Farm 1, Aljouf, Alkufrah, Al Kufrah
Date of start of the outbreak
12/12/2019
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Farm
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Sheep / goats
90
1
0
0
0
Summary of outbreaks
Total outbreaks: 2
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Sheep
100
1
0
0
0
Sheep / goats
90
1
0
0
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Sheep
1.00%
0.00%
0.00%
0.00%
Sheep / goats
1.11%
0.00%
0.00%
0.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
Illegal movement of animals
Vectors
Epidemiological comments
As a part of surveillance carried out for Rift Valley fever in the whole country under the Food and Agriculture Organization project No.OSRO.LIB 801.CHA. Around 150 samples from sheep and goat farms were collected by risk-based surveillance teams in Alkufra. Two samples from the Aljouf area gave a positive result.
Control measures
Measures applied
Movement control inside the country
Traceability
Quarantine
Disinfection
Control of vectors
Vaccination prohibited
No treatment of affected animals
Measures to be applied
Surveillance outside containment and/or protection zone
Surveillance within containment and/or protection zone
Diagnostic test results
Laboratory name and type
Species
Test
Test date
Result
Central Veterinary Laboratory (National laboratory)
Sheep / goats
IgG-capture ELISA
13/01/2020
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
"Safety and security don't just happen, they are the result of collective consensus and public investment. We owe our children, the most vulnerable citizens in our society, a life free of violence and fear." -Nelson Mandela
Information received on 03/02/2020 from Dr Zakaria Mohamed Mustafa Elkhatal, Director General, National Centre for Animal Health (NCAH), Ministry of Agriculture, Animal & Marine Wealth, Tripoli, Libya
Summary
Report type
Follow-up report No. 1
Date of start of the event
12/12/2019
Date of confirmation of the event
13/01/2020
Report date
03/02/2020
Date submitted to OIE
03/02/2020
Reason for notification
First occurrence of a listed disease in the country
South east, Aljouf-hai Almanaya, Alkufrah, Al Kufrah
Date of start of the outbreak
25/01/2020
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Farm
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Sheep / goats
65
1
0
0
0
Outbreak 2
South east, Aljouf-hai Almatar, Alkufrah, Al Kufrah
Date of start of the outbreak
25/01/2020
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Farm
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Sheep
24
1
0
0
0
Summary of outbreaks
Total outbreaks: 2
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Sheep / goats
65
1
0
0
0
Sheep
24
1
0
0
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Sheep / goats
1.54%
0.00%
0.00%
0.00%
Sheep
4.17%
0.00%
0.00%
0.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
Illegal movement of animals
Vectors
Epidemiological comments
Abortions were recorded in all stages of gestation. The signs were respiratory signs, diarrhoea and death in few cases of new-born lambs. A total of 212 blood samples collected from new and old outbreak farms by the Rapid Response Team.
Control measures
Measures applied
Movement control inside the country
Surveillance within containment and/or protection zone
Traceability
Quarantine
Disinfection
Control of vectors
Vaccination prohibited
No treatment of affected animals
Measures to be applied
Surveillance outside containment and/or protection zone
Diagnostic test results
Laboratory name and type
Species
Test
Test date
Result
Central Veterinary Laboratory (National laboratory)
Sheep / goats
IgG-capture ELISA
02/02/2020
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
"Safety and security don't just happen, they are the result of collective consensus and public investment. We owe our children, the most vulnerable citizens in our society, a life free of violence and fear." -Nelson Mandela
Information received on 13/02/2020 from Dr Zakaria Mohamed Mustafa Elkhatal, Director General, National Centre for Animal Health (NCAH), Ministry of Agriculture, Animal & Marine Wealth, Tripoli, Libya
South east, Aljouf- hai Almatar, Alkufrah, Al Kufrah
Date of start of the outbreak
28/01/2020
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Slaughterhouse
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Sheep / goats
100
1
1
0
0
Sheep
140
20
3
0
0
Affected population
The rapid response team went to the infected area for further epidemiological investigation and collected blood samples from the surrounding farms. They sprayed insecticide on the swamps and the infected farms.
Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Sheep / goats
100
1
1
0
0
Sheep
140
20
3
0
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Sheep / goats
1.00%
1.00%
100.00%
1.00%
Sheep
14.29%
2.14%
15.00%
2.14%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
Illegal movement of animals
Vectors
Control measures
Measures applied
Surveillance outside containment and/or protection zone
Surveillance within containment and/or protection zone
Traceability
Quarantine
Disinfection
Control of vectors
Ante and post-mortem inspections
Vaccination permitted (if a vaccine exists)
No treatment of affected animals
Measures to be applied
Vector surveillance
Diagnostic test results
Laboratory name and type
Species
Test
Test date
Result
Central Veterinary Laboratory (National laboratory)
Sheep / goats
IgM-capture ELISA
12/02/2020
Pending
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
"Safety and security don't just happen, they are the result of collective consensus and public investment. We owe our children, the most vulnerable citizens in our society, a life free of violence and fear." -Nelson Mandela
Information received on 27/02/2020 from Dr Zakaria Mohamed Mustafa Elkhatal, Director General, National Centre for Animal Health (NCAH), Ministry of Agriculture, Animal & Marine Wealth, Tripoli, Libya
Summary
Report type
Follow-up report No. 3
Date of start of the event
12/12/2019
Date of confirmation of the event
13/01/2020
Report date
27/02/2020
Date submitted to OIE
27/02/2020
Reason for notification
First occurrence of a listed disease in the country
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
Illegal movement of animals
Vectors
Epidemiological comments
To complete the project (SORO.LIB 801.CHA) about Rift Valley fever in Libya, sample collection (from sheep and goats) from the Southern area was completed by the surveillance team. The total number of samples is 426. The following signs were reported by the surveillance team: abortion in all stages of gestation, new-born deaths after respiratory manifestation and diarrhoea in some cases. The signs appeared in goats that were involved in illegal movement.
Control measures
Measures applied
Movement control inside the country
Traceability
Quarantine
Disinfection
Control of vectors
Vaccination permitted (if a vaccine exists)
No treatment of affected animals
Measures to be applied
Surveillance outside containment and/or protection zone
Surveillance within containment and/or protection zone
Vector surveillance
Ante and post-mortem inspections
Diagnostic test results
Laboratory name and type
Species
Test
Test date
Result
Central Veterinary Laboratory (National laboratory)
Sheep / goats
IgM-capture ELISA
26/02/2020
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
"Safety and security don't just happen, they are the result of collective consensus and public investment. We owe our children, the most vulnerable citizens in our society, a life free of violence and fear." -Nelson Mandela
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