OIE: Low pathogenic avian influenza (poultry) ,Portugal

Information received on 02/12/2013 from Prof. Maria Teresa Costa Mendes Víctor Villa de Brito, Director, Dire??o Geral de Alimenta??o e Veterinária, Ministério da Agricultura, do Mar, do Ambiente e do Ordenamento do Território, Lisboa, Portugal

Summary

Report type	Immediate notification
Date of start of the event	28/11/2013
Date of pre-confirmation of the event	28/11/2013
Report date	02/12/2013
Date submitted to OIE	02/12/2013
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	02/01/2008
Manifestation of disease	Sub-clinical infection
Causal agent	Low pathogenic avian influenza virus
Serotype	H7
Nature of diagnosis	Laboratory (advanced)
This event pertains to	a defined zone within the country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

DSVR DO ALENTEJO ( Alcaria Ruiva - Mértola, Baixo Alentejo )

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	63	**	0	63	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	**	0.00%	**	100.00%

* Removed from the susceptible population through death, destruction and/or slaughter;
** Not calculated because of missing information;

Epidemiology

Source of the outbreak(s) or origin of infection	Unknown or inconclusive
Epidemiological comments	A 1km restriction zone has been established and all the necessary measures in accordance with Council Directive 2005/94/EC are being implemented. Only another backyard flock exists in the restriction zone and has already been sampled. No poultry has been recently moved to other regions, EU Member States or third countries from the restriction zone. Epidemiological investigation is on-going.

Control measures

Measures applied	Stamping out Movement control inside the country Screening Zoning Disinfection of infected premises/establishment(s) Vaccination prohibited No treatment of affected animals
Measures to be applied	No other measures

Diagnostic test results

Laboratory name and type

National Veterinary Research Laboratory (INIAV/LNIV) ( National laboratory )

Tests and results

Species	Test	Test date	Result
Birds	reverse transcription - polymerase chain reaction (RT-PCR)	28/11/2013	Positive

Future Reporting

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