South Africa - 1 new outbreak of low pathogenic avian influenza H7N2 in commercial ostriches in farm, Free State (OIE, February 20, 2019))

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Low pathogenic avian influenza (poultry), South Africa

Information received on 21/02/2019 from Dr Bothle Michael Modisane, Chief Director , Department of Agriculture, Forestry and Fisheries, Animal Production and Health, PRETORIA, South Africa

Summary Report type Immediate notification Date of start of the event 01/02/2019 Date of confirmation of the event 20/02/2019 Report date 20/02/2019 Date submitted to OIE 21/02/2019 Reason for notification Recurrence of a listed disease Date of previous occurrence 23/04/2018 Manifestation of disease Sub-clinical infection Causal agent Low pathogenic avian influenza virus Serotype H7N2 Nature of diagnosis Laboratory (advanced) This event pertains to a defined zone within the country

New outbreaks (1)

Outbreak 1 (LPAI_H7N2_2019_001) LPAI_H7N2_2019_001, Letsemeng, Free State Date of start of the outbreak 01/02/2019 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 4372 75 0 1 0 Affected population Commercial ostriches

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 4372 75 0 1 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 1.72% 0.00% 0.00% 0.02% *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 Coordinates modified to protect confidentiality as required by South African Legislation.

Control measures Measures applied Movement control inside the country Screening Traceability Quarantine Vaccination prohibited No treatment of affected animals Measures to be applied No other measures

Diagnostic test results Laboratory name and type Species Test Test date Result Agricultural Research Council - Onderstepoort Veterinary Research (OIE Reference Laboratory) Birds polymerase chain reaction (PCR) 20/02/2019 Positive

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

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http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=29620