Highly pathogenic avian influenza,
Burkina Faso
Information received on 01/04/2015 from Dr Lassina Ouattara, Directeur Général, Services Vétérinaires, Ministère des Ressources Animales, OUAGADOUGOU, Burkina Faso
Summary
Report type Immediate notification
Date of start of the event 10/02/2015
Date of confirmation of the event 31/03/2015
Report date 01/04/2015
Date submitted to OIE 01/04/2015
Date event resolved 29/11/2015
Reason for notification Recurrence of a listed disease
Date of previous occurrence 22/05/2006
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N1
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (01/04/2015)
Follow-up report No. 1 (17/04/2015)
Follow-up report No. 2 (29/04/2015)
Follow-up report No. 3 (09/05/2015)
Follow-up report No. 4 (02/10/2015)
Follow-up report No. 5 (15/02/2016)
Follow-up report No. 6 (12/08/2016)
New outbreaks (4)
Outbreak 1 Naponé, Pouni, Sanguie
Date of start of the outbreak 10/02/2015
Outbreak status Resolved (16/06/2015)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 330 300 300 0 0
Affected population The population consisted of chickens, guinea fowls and ducks
Outbreak 2 Baguiemo, Batondo, Tenado, Sanguie
Date of start of the outbreak 10/02/2015
Outbreak status Resolved (16/06/2015)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1330 1066 1066 0 0
Affected population The population consisted of chickens, guinea fowls and ducks
Outbreak 3 Sector 18 Ougadougou, Kadiogo, Kadiogo
Date of start of the outbreak 05/03/2015
Outbreak status Resolved (20/11/2015)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 6979 4028 4028 400 0
Affected population The population consisted of hens, guinea fowls and turkeys
Outbreak 4 Koubri, Koubri, Kadiogo
Date of start of the outbreak 15/03/2015
Outbreak status Resolved (20/11/2015)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 180000 110000 110000 0 0
Affected population The population consisted of layers
Summary of outbreaks Total outbreaks: 4
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 188639 115394 115394 400 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 61.17% 61.17% 100.00% 61.38%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments - Orders at province level declaring the infection. - Identification of farms in the outbreak area. - Disinfection of premises. - Movement restrictions. - Strengthening epidemiological surveillance. - Sampling for detection of highly pathogenic avian influenza virus.
Control measures
Measures applied
  • Movement control inside the country
  • Disinfection / Disinfestation
  • Modified stamping out
  • 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
Experimental Zooprophylactic Institute (IZS), Venezie - Padova (Italy) (OIE Reference Laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 31/03/2015 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations