Equine influenza,
Information received on 05/07/2019 from Dr Ahmed Sheik Eldin, Undersecretary, Veterinary Services, Ministry of Animal Resources, Khartoum, Sudan
Report type Immediate notification (Final report)
Date of start of the event 15/04/2019
Date of confirmation of the event 02/07/2019
Report date 05/07/2019
Date submitted to OIE 05/07/2019
Date event resolved 14/05/2019
Reason for notification First occurrence of a listed disease in the country
Causal agent Equine influenza virus
Serotype Not typed
Nature of diagnosis Clinical, Laboratory (basic)
This event pertains to a defined zone within the country
New outbreaks (1)
Outbreak 1 South Darfur, Southern Darfur
Date of start of the outbreak 15/04/2019
Outbreak status Resolved (14/05/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 1230 693 107 0 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 1230 693 107 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Equidae 56.34% 8.70% 15.44% 8.70%
*Removed from the susceptible population through death, destruction and/or slaughter
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments The disease is not reported in the country before; this explains its rapid spread from south Darfur to East Darfur state. As the result of investigation, report of clinical signs with respiratory disease in equine was received in April 2019. 113 sera samples & 5 nasal swabs were collected from the two sites. 107 were diagnosed as caused by equine influenza virus (antibodies detection using haemagglutination inhibition test). The clinical signs varying between mild to severe with low mortality rate in the affected equine. No new cases were reported since 14-5-2019.
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Official destruction of animal products
  • Official disposal of carcasses, by-products and waste
  • Zoning
  • Disinfection
  • 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
Central Veterinary Research Laboratory (CVRL) (National laboratory) Equidae haemagglutination inhibition test (HIT) 02/07/2019 Positive
Future Reporting
The event is resolved. No more reports will be submitted.
Map of outbreak locations