South Africa - 2 new outbreaks of low pathogenic avian influenza H5N2 in commercial ostriches, Western Cape Province (OIE, March 14, 2017)

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Low pathogenic avian influenza (poultry), South Africa

Information received on 14/03/2017 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. 20 Date of start of the event 28/01/2014 Date of confirmation of the event 10/06/2014 Report date 14/03/2017 Date submitted to OIE 14/03/2017 Reason for notification Reoccurrence of a listed disease Date of previous occurrence 02/11/2013 Manifestation of disease Sub-clinical infection Causal agent Low pathogenic avian influenza virus Serotype H5N2 Nature of diagnosis Laboratory (advanced) This event pertains to the whole country Related reports Immediate notification (19/08/2014) Follow-up report No. 1 (07/10/2014) Follow-up report No. 2 (25/11/2014) Follow-up report No. 3 (27/02/2015) Follow-up report No. 4 (23/03/2015) Follow-up report No. 5 (22/04/2015) Follow-up report No. 6 (05/06/2015) Follow-up report No. 7 (13/07/2015) Follow-up report No. 8 (12/08/2015) Follow-up report No. 9 (21/09/2015) Follow-up report No. 10 (30/10/2015) Follow-up report No. 11 (02/02/2016) Follow-up report No. 12 (15/03/2016) Follow-up report No. 13 (03/05/2016) Follow-up report No. 14 (02/08/2016) Follow-up report No. 15 (02/09/2016) Follow-up report No. 16 (20/09/2016) Follow-up report No. 17 (24/10/2016) Follow-up report No. 18 (25/11/2016) Follow-up report No. 19 (23/01/2017) Follow-up report No. 20 (14/03/2017)

New outbreaks (2)

Outbreak 1 (LPAI_2014_H5N2_061) LPAI_2014_H5N2_061, Breede Valley, WESTERN CAPE PROVINCE Date of start of the outbreak 17/01/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 234 60 0 0 0 Affected population Commercial ostriches

Outbreak 2 (LPAI_2014_H5N2_062) LPAI_2014_H5N2_062, Oudtshoorn, WESTERN CAPE PROVINCE Date of start of the outbreak 15/02/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 672 19 0 0 0 Affected population Commercial ostriches

Summary of outbreaks Total outbreaks: 2 Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered Birds 906 79 0 0 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 8.72% 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 Geographical coordinates have been adjusted to be less accurate to protect the privacy of owners, in accordance with legislative requirements. Note by the OIE World Animal Health Information and Analysis Department: H5 and H7 avian influenza in its low pathogenic form in poultry is a notifiable disease as per Chapter 10.4. on avian influenza of the Terrestrial Animal Health Code (2016).

Control measures Measures applied Movement control inside the country 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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