South Africa - 2 new outbreaks of low pathogenic avian influenza H7N3 in commercial ostriches, Western Cape Province (OIE, February 2, 2016)

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Low pathogenic avian influenza (poultry), South Africa

Information received on 02/02/2016 from Dr Bothle Michael Modisane, Chief Director , Department of Agriculture, Forestry and Fisheries, Animal Production and Health, PRETORIA, South Africa

Summary Report type Follow-up report No. 1 Date of start of the event 25/08/2015 Date of confirmation of the event 17/09/2015 Report date 02/02/2016 Date submitted to OIE 02/02/2016 Reason for notification Reoccurrence of a listed disease Date of previous occurrence 09/2014 Manifestation of disease Clinical disease Causal agent Low pathogenic avian influenza virus Serotype H7N3 Nature of diagnosis Laboratory (advanced) This event pertains to the whole country Related reports Immediate notification (12/11/2015) Follow-up report No. 1 (02/02/2016)

New outbreaks (2)

Outbreak 1 (LPAI_H7_2015_002) LPAI_H7_2015_002, Oudtshoorn, WESTERN CAPE PROVINCE Date of start of the outbreak 12/10/2015 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 3835 366 0 0 0 Affected population Commercial ostriches

Outbreak 2 (LPAI_H7_2015_003) LPAI_H7_2015_003, Prince Albert, WESTERN CAPE PROVINCE Date of start of the outbreak 10/11/2015 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 612 232 0 0 0 Affected population Commercial ostriches

Summary of outbreaks Total outbreaks: 2 Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered Birds 4447 598 0 0 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 13.45% 0.00% 0.00% 0.00% *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 Outbreaks in commercial ostriches. Serotype H7N3 confirmed. Coordinates have been altered to ensure confidentiality, as required by legislation.

Control measures Measures applied Screening Quarantine Vaccination prohibited No treatment of affected animals Measures to be applied No other measures

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=19344