Rift Valley fever,
Libya
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
Causal agent Rift Valley fever virus
Nature of diagnosis Clinical, Laboratory (basic)
This event pertains to the whole country
Related reports Immediate notification (15/01/2020)
Follow-up report No. 1 (03/02/2020)
Follow-up report No. 2 (13/02/2020)
Follow-up report No. 3 (27/02/2020)
Follow-up report No. 4 (09/05/2020)
Follow-up report No. 5 (24/06/2020)
Follow-up report No. 6 (18/07/2020)
Follow-up report No. 7 (26/10/2020)
Follow-up report No. 8 (16/01/2021)
New outbreaks (2)
Outbreak 1 South east, Aljouf-hai Almanaya, Alkufrah, Al Kufrah
Date of start of the outbreak 25/01/2020
Outbreak status Resolved (14/04/2020)
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 Resolved (14/04/2020)
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.
Map of outbreak locations