Rift Valley fever,
Mauritania
Information received on 24/09/2020 from Dr Baba Doumbia, Directeur, Services vétérinaires, Ministère du Développement Rural, Nouakchott, Mauritania
Summary
Report type Immediate notification
Date of start of the event 17/09/2020
Date of confirmation of the event 23/09/2020
Report date 24/09/2020
Date submitted to OIE 24/09/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 12/2018
Manifestation of disease Clinical disease
Causal agent Rift Valley fever virus
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (24/09/2020)
Follow-up report No. 1 (19/10/2020)
New outbreaks (4)
Outbreak 1 Cheggar, Kreimi El Hassi, Aleg, Aleg
Date of start of the outbreak 17/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Camelidae 100 10 4 0 0
Outbreak 2 Cheggar, Inegmane, Aleg, Aleg
Date of start of the outbreak 18/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Camelidae 120 32 16 0 0
Outbreak 3 Derguel, Derguel, Tidjikja, Tidjikja
Date of start of the outbreak 19/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Camelidae 60 10 2 0 0
Outbreak 4 Chiva, Chiva, Tamchekett, Tamchekket
Date of start of the outbreak 22/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Camelidae 98 16 4 0 0
Summary of outbreaks Total outbreaks: 4
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Camelidae 378 68 26 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Camelidae 17.99% 6.88% 38.24% 6.88%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Screening
  • Control of vectors
  • Vector surveillance
  • Ante and post-mortem inspections
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
National Office for Research and Development of Livestock (National laboratory) Camelidae real-time PCR 23/09/2020 Positive
National Office for Research and Development of Livestock (National laboratory) Camelidae real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 23/09/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations