Ghana - 1 new outbreak of highly pathogenic avian influenza virus H9N2 in birds on farm, Brong-Ahafo (OIE, February 14, 2018)

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Highly pathogenic avian influenza, Ghana

Information received on 14/02/2018 from Dr Kenneth M. K. Gbeddy, Chief Veterinary Officer, Veterinary Services Directorate, Ministry of Food and Agriculture, Accra, Ghana

Summary Report type Immediate notification Date of start of the event 03/01/2018 Date of confirmation of the event 10/01/2018 Report date 14/02/2018 Date submitted to OIE 14/02/2018 Reason for notification New strain of a listed disease in the country Causal agent Highly pathogenic avian influenza virus Serotype H9N2 Nature of diagnosis Laboratory (advanced) This event pertains to a defined zone within the country

New outbreaks (1)

Outbreak 1 Dwen, Dormaa Ahenekro, Dormaa Municipal, BRONG-AHAFO Date of start of the outbreak 03/01/2018 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 16822 4225 4225 12597 0 Affected population Seventy-eight weeks old brown layers in deep liter

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 16822 4225 4225 12597 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 25.12% 25.12% 100.00% 100.00% *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 Dormaa Municipal borders with C?te d?Ivoire. Day old chicks come from C?te d?Ivoire and spent layers also move from Dormaa to C?te d?Ivoire. Inputs like maize come from C?te d?Ivoire.

Control measures Measures applied Movement control inside the country Surveillance outside containment and/or protection zone Surveillance within containment and/or protection zone Traceability Quarantine Official destruction of animal products Official disposal of carcasses, by-products and waste Stamping out Disinfection Process to inactivate the pathogenic agent in products or by-products Vaccination prohibited No treatment of affected animals Measures to be applied Control of wildlife reservoirs

Diagnostic test results Laboratory name and type Species Test Test date Result Accra Veterinary Laboratory (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 10/01/2018 Positive

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

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