OIE: Low pathogenic avian influenza (poultry) ,United States of America

Information received on 27/08/2014 from Dr John Clifford, Deputy Administrator, Animal and Plant Health Inspection Service, United States Department of Agriculture, Washington, United States of America

Summary

Report type	Immediate notification
Date of start of the event	22/08/2014
Date of pre-confirmation of the event	22/08/2014
Report date	27/08/2014
Date submitted to OIE	27/08/2014
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	10/07/2014
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

NEW JERSEY ( Salem County, Salem )

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	48000	**

Outbreak statistics

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

* 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

The USDA Animal Plant Health Inspection Service (APHIS) and the New Jersey Department of Agriculture (NJDA) are conducting a comprehensive epidemiological investigation of this event.
Epidemiological summary of the event as of 26 August 2014:
?Routine testing for avian influenza detected the H7 subtype. There have been no clinical signs of illness or increased mortality on the premises.
?There are no commercial poultry farms within 5km of the affected premises.
The epidemiological investigation and response to the event are continuing.

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 (2014).

Control measures

Measures applied	Quarantine Movement control inside the country Zoning Vaccination prohibited No treatment of affected animals
Measures to be applied	No other measures

Diagnostic test results

Laboratory name and type

New Jersey Department of Agriculture – Animal Health Diagnostic Laboratory (NJDA-AHDL) ( Local laboratory )

Tests and results

Species	Test	Test date	Result
Birds	real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)	22/08/2014	Positive

Laboratory name and type

National Veterinary Services Laboratories (NVSL) ( National laboratory )

Tests and results

Species	Test	Test date	Result
Birds	real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)	25/08/2014	Positive

Future Reporting

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