Low pathogenic avian influenza (poultry), United States of America [WAHID Interface - OIE]
Low pathogenic avian influenza (poultry), United States of America

Information received on 04/11/2008 from Dr John Clifford, Deputy Administrator, Animal and Plant Health Inspection Service, United States Department of Agriculture, Washington, United States of America

Report type Follow-up report No. 1 (Final report)
Start date 25/08/2008
Date of first confirmation of the event 02/09/2008
Report date 04/11/2008
Date submitted to OIE 04/11/2008
Date event resolved 29/10/2008
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 07/2008
Causal agent Low pathogenic avian influenza virus Serotype H5N8
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports
* Immediate notification (03/09/2008)
* Follow-up report No. 1 (04/11/2008)

There are no new outbreaks in this report

Source of the outbreak(s) or origin of infection
* Contact with wild species

Epidemiological comments
Idaho State animal health officials, in coordination with USDA APHIS Veterinary Services, implemented on 29 August 2008 the LPAI response plan, including quarantine, in accordance with the Idaho Initial State Response and Containment Plan for H5 and H7 LPAI.
All enhanced surveillance activities have been completed.

- 3 km and 10 km (6.2 miles) surveillance zone:
-- No commercial flocks identified within the 10km surveillance zone (this zone is not a commercial poultry production zone in the United States).
-- One high risk game bird farm identified in 10km surveillance zone completed two rounds of negative AI testing. All test results negative for AI.
-- All backyard poultry in the 3km surveillance zone completed two rounds of AI testing. All test results were negative for AI.

- Enhanced surveillance of all epidemiological linked poultry yielded negative results for AI.

Depopulation of the affected premises game birds began on 23 September and was completed on 25 September 2008.
Cleaning and disinfection of affected premises was completed on 29 October 2008.

The low pathogenic avian influenza H5N8 detection event in Payette County (Idaho) was limited to one premises.

The event is considered closed.

Control measures
Measures applied
* Stamping out
* Quarantine
* Disinfection of infected premises/establishment(s)
* Vaccination prohibited
* No treatment of affected animals
Measures to be applied
* No other measures

Future Reporting
The event is resolved. No more reports will be submitted.
<cite cite="http://www.oie.int/wahis/public.php?page=single_report&pop=1&reportid=7484" >WAHID Interface - OIE World Animal Health Information Database</cite>