Title: Highly pathogenic #avian #influenza #H7, #USA [a #poultry #outbreak, #Tennessee].
Subject: Avian Influenza, H7Nx subtype, poultry epizootics in USA.
Source: OIE, full page: (LINK).
Code: [ ]
Highly pathogenic avian influenza H7, United States of America
Information received on 06/03/2017 from Dr John Clifford, Official Delegate, Chief Trade Advisor, Animal and Plant Health Inspection Service, United States Department of Agriculture, Washington, United States of America
- Report type Immediate notification
- Date of start of the event 01/03/2017
- Date of confirmation of the event 04/03/2017
- Report date 06/03/2017
- Date submitted to OIE 06/03/2017
- Reason for notification Reoccurrence of a listed disease
- Date of previous occurrence 2016
- Manifestation of disease Clinical disease
- Causal agent Highly pathogenic avian influenza virus
- Serotype H7
- Nature of diagnosis Laboratory (advanced)
- This event pertains to a defined zone within the country
- Summary of outbreaks
- Total outbreaks: 1
- Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
- Birds - 73500 - ** - 700 - 72800 - 0
- Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
- Birds - ** - 0.95% - ** - 100.00%
- *Removed from the susceptible population through death, destruction and/or slaughter
- **Not calculated because of missing information
- Source of the outbreak(s) or origin of infection
- Unknown or inconclusive
- Epidemiological comments
- As part of existing avian influenza response plans, the USDA Animal and Plant Health Inspection Service (APHIS), in conjunction with the Tennessee Department of Agriculture, are responding to the identification of a highly pathogenic avian influenza (HPAI) H7 of North American wild bird lineage detection in a chicken broiler breeder flock.
- Further virus characterization including N-type is pending.
- This is the first confirmed case of HPAI in commercial poultry in the United States this year.
- A comprehensive epidemiological investigation in the surrounding area has begun along with enhanced surveillance and testing.
- State officials have quarantined the affected premises and implemented movement controls.
- Depopulation of birds on the premises has been completed.
Keywords: OIE; Updates; Avian Influenza; H7 ; Poultry; USA; Tennessee.