[Source: OIE, full page: (LINK). Edited.]
Low pathogenic avian influenza (poultry) H5N8, United States of America
Information received on 06/05/2014 from Dr John Clifford, Deputy Administrator, Animal and Plant Health Inspection Service, United States Department of Agriculture, Washington, United States of America
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Low pathogenic avian influenza (poultry) H5N8, United States of America
Information received on 06/05/2014 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 Follow-up report No. 2
- Date of start of the event 14/04/2014
- Date of pre-confirmation of the event 18/04/2014
- Report date 06/05/2014
- Date submitted to OIE 06/05/2014
- Reason for notification Reoccurrence of a listed disease
- Date of previous occurrence 06/08/2013
- Manifestation of disease Clinical disease
- 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 (22/04/2014)
- Follow-up report No. 1 (29/04/2014)
- Follow-up report No. 2 (06/05/2014)
- Outbreaks
- There are no new outbreaks in this report
- Epidemiology
- Source of the outbreak(s) or origin of infection
- Unknown or inconclusive
- Source of the outbreak(s) or origin of infection
- Epidemiological comments
- Update of the event as of 1st May 2014:
- An H5N8 virus was isolated.
- H5 is 98.2% similar to A/mallard/California/1435/2013 (H5N5) based on sequence from the complete hemagglutinin gene.
- N8 is 95.7% similar to A/Mallard/Interior Alaska/6MP0160AR1/2006 (H3N8) based on sequence from the complete neuraminidase gene.
- Chicken pathogenicity testing is compatible with low pathogenic avian influenza virus.
- Flock Plans? were completed for the index premises and other at risk premises and include testing schemes, biosecurity protocols, and product movement guidelines.
- Follow-up surveillance and testing for influenza A virus (IAV) continues on the two (2) epidemiologically associated farms?results are pending.
- In addition, a surveillance and outreach plan is being implemented within a 10 km Control Area.
- The joint United States Department of Agriculture (USDA) and California Department of Food and Agriculture (CDFA) epidemiological investigation and response to the event are continuing.
- An H5N8 virus was isolated.
- 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).
- Update of the event as of 1st May 2014:
- Control measures
- Measures applied
- Stamping out
- Quarantine
- Vaccination prohibited
- No treatment of affected animals
- Measures to be applied
- No other measures
- Measures applied
- Diagnostic test results
- Laboratory name and type ? Species ? Test - Test date ? Result
- National Veterinary Services Laboratories (NVSL) (National laboratory) ? Birds - virus isolation - 01/05/2014 ? Positive
- Laboratory name and type ? Species ? Test - Test date ? Result
- Future Reporting
- The event is continuing. Weekly follow-up reports will be submitted.
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