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
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 (2)
Outbreak 1 South East. Farm 2, Aljouf, Alkufrah, Al Kufrah
Date of start of the outbreak 12/12/2019
Outbreak status Resolved (14/04/2020)
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 Resolved (14/04/2020)
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 IgM-capture ELISA 13/01/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations