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

OIE: Low pathogenic avian influenza (poultry), South Africa
submited by kickingbird at Jun, 20, 2012 3:46 AM from OIE

Information received on 19/06/2012 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
Start date	24/02/2012
Date of first confirmation of the event	01/06/2012
Report date	19/06/2012
Date submitted to OIE	19/06/2012
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	13/01/2012
Manifestation of disease	Sub-clinical infection
Causal agent	Low pathogenic avian influenza virus
Serotype	H7N1
Nature of diagnosis	Laboratory (advanced)
This event pertains to	the whole country

New outbreaks

Summary of outbreaks

Total outbreaks: 2

Location(s)

EASTERN CAPE PROVINCE (LPAI_2012_001, Camdeboo)
WESTERN CAPE PROVINCE (LPAI_2012_002, Hessequa)

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	1833	44	0	0	1493

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	2.40%	0.00%	0.00%	81.45%

* 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	LPAI infection picked up due to routine surveillance for HPAI. 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 (2011).

Control measures

Measures applied	Quarantine Movement control inside the country Screening Disinfection of infected premises/establishment(s) Modified stamping out 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	virus sequencing	01/06/2012	Positive

Future Reporting

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

See Also:

http://www.oie.int

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