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

OIE: Low pathogenic avian influenza (poultry) ,South Africa
submited by kickingbird at Jul, 5, 2013 8:22 AM from OIE

Information received on 04/07/2013 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	28/02/2013
Date of pre-confirmation of the event	29/06/2013
Report date	04/07/2013
Date submitted to OIE	04/07/2013
Reason for notification	New strain of a listed disease
Manifestation of disease	Sub-clinical infection
Causal agent	Low pathogenic avian influenza virus
Serotype	H7N7
Nature of diagnosis	Laboratory (advanced)
This event pertains to	the whole country

New outbreaks

Summary of outbreaks

Total outbreaks: 3

Outbreak Location

WESTERN CAPE PROVINCE ( LPAI_2013H7N7_001, Oudtshoorn LPAI_2013H7N7_002, Oudtshoorn LPAI_2013H7N7_003, George )

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	9647	3012	0	0	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	31.22%	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

The outbreaks LPAI_2013H7N7_001 and LPAI_2013H7N7_002 were first notified on 15 April 2013 as part of the on-going H7N1 event since at that time the neuraminidase was suspected as N1. These outbreaks have been confirmed later as H7N7.

Note by the OIE Animal Health Information 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 (2012).

Control measures

Measures applied	Quarantine Movement control inside the country Screening 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 PCR	29/06/2013	Positive

Future Reporting

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

See Also:

http://www.oie.int

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