OIE: Low pathogenic avian influenza (poultry) ,South Africa

Information received on 24/10/2016 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	10/07/2016
Date of confirmation of the event	26/09/2016
Report date	24/10/2016
Date submitted to OIE	25/10/2016
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	2016
Manifestation of disease	Sub-clinical infection
Causal agent	Low pathogenic avian influenza virus
Serotype	H7N2
Nature of diagnosis	Laboratory (advanced)
This event pertains to	the whole country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

WESTERN CAPE PROVINCE ( LPAI_H7N2_2016_001, George )

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	1790	278	0	0	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	15.53%	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	Commercial ostriches. This outbreak was first reported as LPAI H5N2 in the follow-up report No. 16 on 20 September 2016. South Africa has been able to determine, with sequencing, that this is in fact LPAI H7N2.

Control measures

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

Diagnostic test results

Laboratory name and type

Agricultural Research Council - Onderstepoort Veterinary Institute (ARC – OVI) ( National laboratory )

Tests and results

Species	Test	Test date	Result
Birds	real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)	26/09/2016	Positive

Future Reporting

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