Low pathogenic avian influenza (poultry) H7N7, United States of America (OIE, August 8 2013): No New Outbreaks, Final Report

[Giuseppe]

[Source: OIE, full page: (LINK). Edited.]


Low pathogenic avian influenza (poultry) H7N7, United States of America


Information received on 08/08/2013 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 (Final report)
  • Date of start of the event 06/06/2013
  • Date of pre-confirmation of the event 17/06/2013
  • Report date 08/08/2013
  • Date submitted to OIE 08/08/2013
  • Date event resolved 06/08/2013
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 01/08/2011
  • Manifestation of disease Clinical disease
  • Causal agent Low pathogenic avian influenza virus
  • Serotype H7N7
  • Nature of diagnosis Laboratory (advanced)
  • This event pertains to a defined zone within the country
  • Related reports
    • Immediate notification (19/06/2013)
    • Follow-up report No. 1 (15/07/2013)
    • Follow-up report No. 2 (08/08/2013)
• Outbreaks
  • There are no new outbreaks in this report
• 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 Arkansas Livestock & Poultry Commission comprehensive epidemiological investigation of this event was completed and closed.
    • All premises with poultry in a 10 km (6.2 mile) zone and all flocks epidemiologically linked to the affected premises have completed multiple rounds of avian influenza testing and were found negative for avian influenza.
    • Cleaning & Disinfection (C&D) on index premises completed 24 July 2013 o Post C&D environmental samples were virus isolation negative for avian influenza.
    • The index premises released from quarantine 6 August 2013. The LPAI H7N7 event is considered closed.
• Control measures
  • Measures applied
    • Stamping out
    • Quarantine
    • Movement control inside the country
    • Zoning
    • 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.

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