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

OIE: Low pathogenic avian influenza (poultry) ,South Africa
submited by kickingbird at Dec, 24, 2013 19:25 PM from OIE

Information received on 24/12/2013 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	20/10/2013
Date of pre-confirmation of the event	04/11/2013
Report date	24/12/2013
Date submitted to OIE	24/12/2013
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	24/04/2013
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: 3

Outbreak Location

EASTERN CAPE PROVINCE ( LPAI_2013H7N1_001, Blue Crane Route LPAI_2013H7N1_002, Blue Crane Route LPAI_2013H7N1_003, Blue Crane Route )

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	2906	64	0	0	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	2.20%	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	LPAI positive serology detected on pre-slaughter/pre-movement routine testing. 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 (2013).

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

Deltamune ( Private Laboratory )

Tests and results

Species	Test	Test date	Result
Birds	antibody detection ELISA	04/11/2013	Positive
Birds	haemagglutination inhibition test (HIT)	04/11/2013	Positive
Birds	polymerase chain reaction (PCR)	10/11/2013	Negative

Future Reporting

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

See Also:

http://www.oie.int

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