HPAI H7N8 Dubois County Indiana - OIE

[niman]

OIE report on Dubois County Indiana H7N8 outbreak.

 

http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=19540

Edited January 18, 2016 by niman

[niman]

Highly pathogenic avian influenza, United States of America

Information received on 15/01/2016 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 11/01/2016 Date of confirmation of the event 15/01/2016 Report date 15/01/2016 Date submitted to OIE 15/01/2016 Reason for notification Reoccurrence of a listed disease Date of previous occurrence 2015 Manifestation of disease Clinical disease Causal agent Highly pathogenic avian influenza virus Serotype H7N8 Nature of diagnosis Laboratory (advanced) This event pertains to a defined zone within the country

New outbreaks (1)

Outbreak 1 Dubois County, Dubois, INDIANA Date of start of the outbreak 11/01/2016 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 43500   900 42600 0 Affected population Commercial turkey flock

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered Birds 43500 ** 900 42600 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds ** 2.07% ** 100.00% *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 As part of existing avian influenza response plans, the USDA Animal and Plant Health Inspection Service (APHIS), in conjunction with the Indiana State Board of Animal Health, are conducting a comprehensive epidemiological investigation in the nearby area, and have begun enhanced surveillance and testing in the area. State officials have quarantined the affected premises and implemented movement controls. Depopulation of birds on the premises is under way. The highly pathogenic H7N8 strain is of North America lineage.

Control measures Measures applied Movement control inside the country Quarantine Surveillance outside containment and/or protection zone Stamping out Surveillance within containment and/or protection zone Zoning Vaccination prohibited No treatment of affected animals Measures to be applied Disinfection / Disinfestation Official disposal of carcasses, by-products and waste

Diagnostic test results Laboratory name and type Species Test Test date Result National Veterinary Services Laboratories (NVSL) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 15/01/2016 Positive National Veterinary Services Laboratories (NVSL) (National laboratory) Birds virus isolation   Pending National Veterinary Services Laboratories (NVSL) (National laboratory) Birds virus sequencing 15/01/2016 Positive

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

Map of outbreak locations

[niman]

Outbreak report of Highly path. avian influenza (- -) in United States of America

Date of start of the event 11/01/2016 Outbreak Status Continuing Date of resolution of the outbreak   State INDIANA County Dubois     Epidemiological Unit Type Farm Location Dubois County Latitude 38.36 Longitude -86.879 Description of Affected Population Commercial turkey flock Affected animals Species At risk Cases Deaths Destroyed Birds 43500   900 42600 Total Animals 43500 0 900 42600

[Admin]

Edited January 18, 2016 by Admin

[niman]

It is worth noting that the map coordinates in the above OIE reports lie OUTSIDE of the initial restriction zone, which is a 10 km circle centered on the HPAI on the index farm as precisely mapped here

https://www.google.com/maps/d/edit?hl=en&hl=en&authuser=0&authuser=0&mid=zv94AJqgUct4.kCxmaHdFjZf8