Rift Valley fever,
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
Report type Follow-up report No. 2
Date of start of the event 12/12/2019
Date of confirmation of the event 13/01/2020
Report date 13/02/2020
Date submitted to OIE 13/02/2020
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)
New outbreaks (1)
Outbreak 1 South east, Aljouf- hai Almatar, Alkufrah, Al Kufrah
Date of start of the outbreak 28/01/2020
Outbreak status Resolved (14/04/2020)
Epidemiological unit Farm
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
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.
Map of outbreak locations