Burkina Faso - 7 new outbreaks of highly pathogenic avian influenza H5N1 (OIE, April 20, 2015)

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Highly pathogenic avian influenza, Burkina Faso

Information received on 20/04/2015 from Dr Lassina Ouattara, Directeur G?n?ral, Services V?t?rinaires, Minist?re des Ressources Animales et Halieutiques, OUAGADOUGOU, Burkina Faso

Summary Report type Follow-up report No. 1 Date of start of the event 10/02/2015 Date of confirmation of the event 31/03/2015 Report date 17/04/2015 Date submitted to OIE 20/04/2015 Reason for notification Reoccurrence 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)

New outbreaks (7)

Outbreak 1 Djikando, Gaoua, PONI Date of start of the outbreak 30/03/2015 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 338 242 242 0 96 Affected population The population consisted of layer hens

Outbreak 2 Bobo Dioulasso, Bobo, HOUET Date of start of the outbreak 10/04/2015 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 780 780 780 0 0 Affected population The population consisted of layer hens

Outbreak 3 Boassa, Bonheurville, Commune d''Ouagadougou, KADIOGO Date of start of the outbreak 10/04/2015 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 5000 5000 5000 0 0 Affected population A modern farm with layer hens

Outbreak 4 God?, Sabou, BOULKIEMDE Date of start of the outbreak 10/04/2015 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 30000 500 500 0 0 Affected population A traditional farm

Outbreak 5 Tanlarghin, Gampela, Saaba, KADIOGO Date of start of the outbreak 10/04/2015 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 5400 145 145 0 467 Affected population Chickens, guinea fowls and pigeons

Outbreak 6 Banakeledaga, Bama, HOUET Date of start of the outbreak 10/04/2015 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 500 350 350 0 150 Affected population A traditional farm consisting of turkeys, chickens, guinea fowls and pigeons

Outbreak 7 Barogo, Saaba, KADIOGO Date of start of the outbreak 10/04/2015 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 7700 4291 4291 0 3409 Affected population The population consisted of starter chicks

Summary of outbreaks Total outbreaks: 7 Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered Birds 49718 11308 11308 0 4122 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 22.74% 22.74% 100.00% 31.04% *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. - Identification of poultry in the outbreaks. - Stamping out of poultry in the outbreaks. - 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 of infected premises/establishment(s) Modified stamping out No vaccination 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 Livestock Laboratory (National laboratory) Birds polymerase chain reaction (PCR) 02/04/2015 Positive National Livestock Laboratory (National laboratory) Birds polymerase chain reaction (PCR) 10/04/2015 Positive

Future Reporting The event is continuing. Weekly follow-up reports will be submitted.

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