Peste des petits ruminants,
Sierra Leone
Information received on 09/08/2018 from Dr Francis A R Sankoh, Director , Livestock ServicesDivision, Ministry of Agriculture and Natural Resources , Freetown, Sierra Leone
Report type Immediate notification
Date of start of the event 10/07/2018
Date of confirmation of the event 15/07/2018
Report date 07/08/2018
Date submitted to OIE 09/08/2018
Reason for notification Recurrence of a listed disease
Date of previous occurrence 06/2016
Manifestation of disease Clinical disease
Causal agent Peste des petits ruminants virus
Nature of diagnosis Clinical, Laboratory (basic)
This event pertains to the whole country
Related reports Immediate notification (07/08/2018)
Follow-up report No. 1 (13/09/2018)
New outbreaks (1)
Outbreak 1 Moindu Wondor, Kenema
Date of start of the outbreak 10/07/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Sheep / goats 253 129 129 0 0
Affected population The affected population is free-range reared sheep and goats.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Sheep / goats 253 129 129 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Sheep / goats 50.99% 50.99% 100.00% 50.99%
*Removed from the susceptible population through death, destruction and/or slaughter
Source of the outbreak(s) or origin of infection
  • Introduction of new live animals
  • Illegal movement of animals
  • Contact with infected animal(s) at grazing/watering
Epidemiological comments Laboratory analysis and further investigations will be performed and informed in future follow-up reports.
Control measures
Measures applied
  • Disinfection
  • Movement control inside the country
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • Screening
  • Surveillance within containment and/or protection zone
  • Surveillance outside containment and/or protection zone
Diagnostic test results
Laboratory name and type Species Test Test date Result
Centre national de santé animale (Njala University Laboratory ) (National laboratory) Sheep / goats enzyme-linked immunosorbent assay (ELISA) 15/07/2018 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations