Equine influenza,
Senegal
Information received on 16/04/2019 from Dr Mbargou Lo, Directeur des Services vétérinaires, Direction des Services vétérinaires, Ministère de l'Elevage et des Productions animales, Dakar, Senegal
Summary
Report type Follow-up report No. 1
Date of start of the event 26/03/2019
Date of confirmation of the event 02/04/2019
Report date 15/04/2019
Date submitted to OIE 16/04/2019
Date event resolved 03/06/2019
Reason for notification First occurrence of a listed disease
Manifestation of disease Clinical disease
Causal agent Equine influenza virus
Serotype Pending
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (06/04/2019)
Follow-up report No. 1 (15/04/2019)
Follow-up report No. 2 (02/05/2019)
Follow-up report No. 3 (24/05/2019)
Follow-up report No. 4 (03/06/2019)
New outbreaks (275)
Outbreak cluster 1 Kaffrine, Kaffrine (18 outbreaks)
Date of start of the outbreak 02/04/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 55920 5000 767 0 0
Affected population Draught horses and donkeys.
Outbreak cluster 2 Tambacounda, Tambacounda (5 outbreaks)
Date of start of the outbreak 02/04/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 62507 15050 26 0 0
Affected population Draught horses and donkeys.
Outbreak cluster 3 Thiès, Thies (3 outbreaks)
Date of start of the outbreak 03/04/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 124843 1389 7 0 0
Affected population Draught horses and donkeys.
Outbreak cluster 4 Kaolack, Kaolack (28 outbreaks)
Date of start of the outbreak 04/04/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 161487 2373 687 0 0
Affected population Draught horses and donkeys.
Outbreak cluster 5 Kolda, Kolda (5 outbreaks)
Date of start of the outbreak 05/04/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 84229 118 2 0 0
Affected population Draught horses and donkeys.
Outbreak cluster 6 Fatick, Fatick (37 outbreaks)
Date of start of the outbreak 08/04/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 138133 3473 262 0 0
Affected population Draught horses and donkeys.
Outbreak cluster 7 Sédhiou, Sedhiou (34 outbreaks)
Date of start of the outbreak 10/04/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 6945 840 152 0 0
Affected population Draught horses and donkeys.
Outbreak cluster 8 Matam, Matam (28 outbreaks)
Date of start of the outbreak 10/04/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 56890 3464 343 0 0
Affected population Draught horses and donkeys.
Outbreak cluster 9 Louga, Louga (23 outbreaks)
Date of start of the outbreak 12/04/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 87003 5646 431 0 0
Affected population Draught horses and donkeys.
Outbreak cluster 10 Saint-Louis, Saint Louis (94 outbreaks)
Date of start of the outbreak 12/04/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 53023 412 24 0 0
Affected population Draught horses and donkeys.
Summary of outbreaks Total outbreaks: 275
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 830980 37765 2701 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Equidae 4.54% 0.33% 7.15% 0.33%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
  • Contact with infected animal(s) at grazing/watering
  • Fomites (humans, vehicles, feed, etc.)
  • Airborne spread
Epidemiological comments Equine influenza occurred as a result of strong winds and dust. Stray donkeys are the main animals affected and play a role in spreading the disease as well as the groupings at weekly markets and watering points.
Control measures
Measures applied
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Quarantine
  • Disinfection
  • Ante and post-mortem inspections
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • Movement control inside the country
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations