OIE: Highly pathogenic avian influenza, Belgium

Information received on 19/06/2017 from Dr Jean-Fran?ois Heymans, Director, Animal Health and Safety of Products of Animal Origin, Federal Agency for the Safety of the Food Chain (FASFC), Bruxelles, Belgium

Summary

Report type	Immediate notification
Date of start of the event	10/06/2017
Date of confirmation of the event	16/06/2017
Report date	19/06/2017
Date submitted to OIE	19/06/2017
Reason for notification	Recurrence of a listed disease
Date of previous occurrence	28/03/2017
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N8
Nature of diagnosis	Clinical, Laboratory (advanced), Necropsy
This event pertains to	a defined zone within the country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

WEST-VLAANDEREN ( Waardamme )

Total animals affected

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	4047	1650	500	3547	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	40.77%	12.35%	30.30%	100.00%

* Removed from the susceptible population through death, destruction and/or slaughter;

Epidemiology

Source of the outbreak(s) or origin of infection

Introduction of new live animals
Fomites (humans, vehicles, feed, etc.)

Control measures

Measures applied	Surveillance outside containment and/or protection zone Surveillance within containment and/or protection zone Traceability Official destruction of animal products Official disposal of carcasses, by-products and waste Stamping out Zoning Vaccination prohibited No treatment of affected animals
Measures to be applied	Disinfection

Diagnostic test results

Laboratory name and type

CERVA ( National laboratory )

Tests and results

Species	Test	Test date	Result
Birds	nucleotide sequencing	16/06/2017	Positive
Birds	real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)	14/06/2017	Positive
Birds	virus isolation	16/06/2017