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PostPosted: Mon Apr 27, 2015 11:24 am 
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Joined: Wed Aug 19, 2009 10:42 am
Posts: 56044
Location: Pittsburgh, PA USA
Highly pathogenic avian influenza,
United States of America

Information received on 24/04/2015 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. 13
Date of start of the event 10/12/2014
Date of confirmation of the event 15/12/2014
Report date 24/04/2015
Date submitted to OIE 24/04/2015
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 2004
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N2
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (16/12/2014)
Follow-up report No. 1 (07/01/2015)
Follow-up report No. 2 (13/01/2015)
Follow-up report No. 3 (22/01/2015)
Follow-up report No. 4 (03/02/2015)
Follow-up report No. 5 (17/02/2015)
Follow-up report No. 6 (24/02/2015)
Follow-up report No. 7 (06/03/2015)
Follow-up report No. 8 (12/03/2015)
Follow-up report No. 9 (20/03/2015)
Follow-up report No. 10 (31/03/2015)
Follow-up report No. 11 (08/04/2015)
Follow-up report No. 12 (15/04/2015)
Follow-up report No. 13 (24/04/2015)
New outbreaks (24)
Outbreak 1 (78) Juneau County, Juneau, WISCONSIN
Date of start of the outbreak 08/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 33 33
Affected population The affected premises was a small backyard mixed flock of ducks and chickens that were allowed access to the outdoors.
Outbreak 2 (59) Swift County, Swift, MINNESOTA
Date of start of the outbreak 10/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 160000 160000
Affected population A commercial turkey flock.
Outbreak 3 (60) Stearns County 5, Stearns, MINNESOTA
Date of start of the outbreak 10/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 76000 76000
Affected population A commercial turkey flock.
Outbreak 4 (58) Le Sueur County, Le Sueur, MINNESOTA
Date of start of the outbreak 10/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 21500 21500
Affected population A commercial turkey flock.
Outbreak 5 (65) Meeker County 3, Meeker, MINNESOTA
Date of start of the outbreak 10/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 20000 20000
Affected population A commercial turkey flock.
Outbreak 6 (56) St. Charles County, St. Charles, MISSOURI
Date of start of the outbreak 10/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Snow Goose:Anser caerulescens(Anatidae)
Affected population Wild bird surveillance.
Outbreak 7 (63) Meeker County 2, Meeker, MINNESOTA
Date of start of the outbreak 11/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 25000
Affected population A commercial turkey flock.
Outbreak 8 (61) Swift County 2, Swift, MINNESOTA
Date of start of the outbreak 11/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 154000 154000
Affected population A commercial turkey flock.
Outbreak 9 (62) Redwood County, Redwood, MINNESOTA
Date of start of the outbreak 11/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 56000 56000
Affected population A commercial turkey flock.
Outbreak 10 (75) Buena Vista County, Buena Vistaa, IOWA
Date of start of the outbreak 12/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 27000 27000
Affected population A commercial turkey flock.
Outbreak 11 (76) Roberts County, Roberts, SOUTH DAKOTA
Date of start of the outbreak 12/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 69000 69000
Affected population A commercial turkey flock.
Outbreak 12 (64) Kandiyohi County 4, Kandiyohi, MINNESOTA
Date of start of the outbreak 12/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 30000 30000
Affected population A commercial turkey flock.
Outbreak 13 (66) Otter Tail County, Otter Tail, MINNESOTA
Date of start of the outbreak 13/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 21000
Affected population A commercial turkey flock.
Outbreak 14 (67) Stearns County 6, Stearns, MINNESOTA
Date of start of the outbreak 13/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 67000 67000
Affected population A commercial turkey flock.
Outbreak 15 (69) Roseau County, Roseau, MINNESOTA
Date of start of the outbreak 13/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 26000
Affected population A commercial turkey flock.
Outbreak 16 (68) Kandiyohi County 5, Kandiyohi, MINNESOTA
Date of start of the outbreak 13/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 152000 152000
Affected population A commercial turkey flock.
Outbreak 17 (57) Barron County, Barron, WISCONSIN
Date of start of the outbreak 14/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 126650 126650
Affected population A commercial turkey flock.
Outbreak 18 (70) Kandiyohi County 6, Kandiyohi, MINNESOTA
Date of start of the outbreak 15/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 23000
Affected population A commercial turkey flock.
Outbreak 19 (74) Cottonwood County 2, Cottonwood, MINNESOTA
Date of start of the outbreak 16/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 30000
Affected population A commercial turkey flock.
Outbreak 20 (79) Osceola County, Osceolla, IOWA
Date of start of the outbreak 16/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 4034000
Affected population A commercial chicken table egg layer flock.
Outbreak 21 (77) Spink County, Spink, SOUTH DAKOTA
Date of start of the outbreak 16/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 35100 35100
Affected population A commercial turkey flock.
Outbreak 22 (71) Kandiyohi County 8, Kandiyohi, MINNESOTA
Date of start of the outbreak 16/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 9000
Affected population A commercial turkey flock.
Outbreak 23 (73) Wadena County, Wadena, MINNESOTA
Date of start of the outbreak 16/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 301000
Affected population A commercial turkey flock.
Outbreak 24 (72) Kandiyohi County 9, Kandiyohi, MINNESOTA
Date of start of the outbreak 17/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 61000
Affected population A commercial turkey flock.
Summary of outbreaks Total outbreaks: 24
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 5524283 ** 994283
Snow Goose:Anser caerulescens(Anatidae) **
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds ** ** ** **
Snow Goose:Anser caerulescens(Anatidae) ** ** ** **
*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
Contact with wild species
Epidemiological comments The USDA Animal and Plant Health Inspection Service (APHIS), in conjunction with State Departments of Agriculture and Wildlife, are continuing to conduct a comprehensive epidemiological investigation and enhanced surveillance (including wild bird surveillance of hunter harvested birds) in response to the HPAI H5N8 and H5N2 wild bird related events. Novel avian influenza virus of Eurasian origin (EA-H5N8 clade 2.3.4.4) spread rapidly along wild bird migratory pathways during 2014. Introduction of this EA-H5N8 virus into the Pacific Flyway sometime during 2014 has allowed mixing with North American (AM) lineage viruses and generated new combinations with genes from both EA and AM origin (or “reassortant” viruses) such as this EA/AM H5N2-reassortant detected in the US. In addition, overlap of the Pacific, Central, and Mississippi Americas flyways has resulted in movement of the virus to the central part of the country. The EA-H5 clade 2.3.4.4 viruses are highly pathogenic for poultry.
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
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) 11/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 12/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 13/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 14/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 16/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 17/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 20/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds virus sequencing 11/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds virus sequencing 12/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds virus sequencing 13/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds virus sequencing 14/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds virus sequencing 16/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds virus sequencing 17/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds virus sequencing 20/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Snow Goose real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 10/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Snow Goose virus sequencing 10/04/2015 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations

http://www.oie.int/wahis_2/public/wahid ... rtid=17593

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