共 7 条
[1]
Protective Efficacy of Seasonal Influenza Vaccination against Seasonal and Pandemic Influenza Virus Infection during 2009 in Hong Kong
[J].
Cowling, Benjamin J.
;
Ng, Sophia
;
Ma, Edward S. K.
;
Cheng, Calvin K. Y.
;
Wai, Winnie
;
Fang, Vicky J.
;
Chan, Kwok-Hung
;
Ip, Dennis K. M.
;
Chiu, Susan S.
;
Peiris, J. S. Malik
;
Leung, Gabriel M.
.
CLINICAL INFECTIOUS DISEASES,
2010, 51 (12)
:1370-1379

Cowling, Benjamin J.
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Hong Kong, Infect Dis Epidemiol Grp, Li Ka Shing Fac Med, Sch Publ Hlth,Units 624 7, Pokfulam, Hong Kong, Peoples R China Univ Hong Kong, Infect Dis Epidemiol Grp, Li Ka Shing Fac Med, Sch Publ Hlth,Units 624 7, Pokfulam, Hong Kong, Peoples R China

Ng, Sophia
论文数: 0 引用数: 0
h-index: 0
机构: Univ Hong Kong, Infect Dis Epidemiol Grp, Li Ka Shing Fac Med, Sch Publ Hlth,Units 624 7, Pokfulam, Hong Kong, Peoples R China

Ma, Edward S. K.
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Hong Kong, Dept Microbiol, Pokfulam, Hong Kong, Peoples R China Univ Hong Kong, Infect Dis Epidemiol Grp, Li Ka Shing Fac Med, Sch Publ Hlth,Units 624 7, Pokfulam, Hong Kong, Peoples R China

Cheng, Calvin K. Y.
论文数: 0 引用数: 0
h-index: 0
机构: Univ Hong Kong, Infect Dis Epidemiol Grp, Li Ka Shing Fac Med, Sch Publ Hlth,Units 624 7, Pokfulam, Hong Kong, Peoples R China

Wai, Winnie
论文数: 0 引用数: 0
h-index: 0
机构: Univ Hong Kong, Infect Dis Epidemiol Grp, Li Ka Shing Fac Med, Sch Publ Hlth,Units 624 7, Pokfulam, Hong Kong, Peoples R China

Fang, Vicky J.
论文数: 0 引用数: 0
h-index: 0
机构: Univ Hong Kong, Infect Dis Epidemiol Grp, Li Ka Shing Fac Med, Sch Publ Hlth,Units 624 7, Pokfulam, Hong Kong, Peoples R China

Chan, Kwok-Hung
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Hong Kong, Dept Microbiol, Pokfulam, Hong Kong, Peoples R China Univ Hong Kong, Infect Dis Epidemiol Grp, Li Ka Shing Fac Med, Sch Publ Hlth,Units 624 7, Pokfulam, Hong Kong, Peoples R China

Ip, Dennis K. M.
论文数: 0 引用数: 0
h-index: 0
机构: Univ Hong Kong, Infect Dis Epidemiol Grp, Li Ka Shing Fac Med, Sch Publ Hlth,Units 624 7, Pokfulam, Hong Kong, Peoples R China

Chiu, Susan S.
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Hong Kong, Dept Pediat & Adolescent Med, Pokfulam, Hong Kong, Peoples R China Univ Hong Kong, Infect Dis Epidemiol Grp, Li Ka Shing Fac Med, Sch Publ Hlth,Units 624 7, Pokfulam, Hong Kong, Peoples R China

Peiris, J. S. Malik
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Hong Kong, Dept Microbiol, Pokfulam, Hong Kong, Peoples R China
HKU Pasteur Res Ctr, Hong Kong, Hong Kong, Peoples R China Univ Hong Kong, Infect Dis Epidemiol Grp, Li Ka Shing Fac Med, Sch Publ Hlth,Units 624 7, Pokfulam, Hong Kong, Peoples R China

Leung, Gabriel M.
论文数: 0 引用数: 0
h-index: 0
机构: Univ Hong Kong, Infect Dis Epidemiol Grp, Li Ka Shing Fac Med, Sch Publ Hlth,Units 624 7, Pokfulam, Hong Kong, Peoples R China
[2]
Clinical and Epidemiologic Characteristics of an Outbreak of Novel H1N1 (Swine Origin) Influenza A Virus among United States Military Beneficiaries
[J].
Crum-Cianflone, Nancy F.
;
Blair, Patrick J.
;
Faix, Dennis
;
Arnold, John
;
Echols, Sara
;
Sherman, Sterling S.
;
Tueller, John E.
;
Warkentien, Tyler
;
Sanguineti, Gabriela
;
Bavaro, Mary
;
Hale, Braden R.
.
CLINICAL INFECTIOUS DISEASES,
2009, 49 (12)
:1801-1810

Crum-Cianflone, Nancy F.
论文数: 0 引用数: 0
h-index: 0
机构:
USN, San Diego Med Ctr, Infect Dis Clin, San Diego, CA 92134 USA
Uniformed Serv Univ Hlth Sci, Infect Dis Clin Res Program, Bethesda, MD 20814 USA USN, San Diego Med Ctr, Infect Dis Clin, San Diego, CA 92134 USA

Blair, Patrick J.
论文数: 0 引用数: 0
h-index: 0
机构:
USN, Hlth Res Ctr, San Diego, CA 92134 USA USN, San Diego Med Ctr, Infect Dis Clin, San Diego, CA 92134 USA

Faix, Dennis
论文数: 0 引用数: 0
h-index: 0
机构:
USN, Hlth Res Ctr, San Diego, CA 92134 USA USN, San Diego Med Ctr, Infect Dis Clin, San Diego, CA 92134 USA

Arnold, John
论文数: 0 引用数: 0
h-index: 0
机构:
USN, San Diego Med Ctr, Dept Pediat, San Diego, CA 92134 USA USN, San Diego Med Ctr, Infect Dis Clin, San Diego, CA 92134 USA

Echols, Sara
论文数: 0 引用数: 0
h-index: 0
机构:
USN, San Diego Med Ctr, Infect Dis Clin, San Diego, CA 92134 USA
Uniformed Serv Univ Hlth Sci, Infect Dis Clin Res Program, Bethesda, MD 20814 USA USN, San Diego Med Ctr, Infect Dis Clin, San Diego, CA 92134 USA

Sherman, Sterling S.
论文数: 0 引用数: 0
h-index: 0
机构:
USN, San Diego Med Ctr, Dept Prevent Med, San Diego, CA 92134 USA USN, San Diego Med Ctr, Infect Dis Clin, San Diego, CA 92134 USA

Tueller, John E.
论文数: 0 引用数: 0
h-index: 0
机构:
USN, San Diego Med Ctr, Dept Prevent Med, San Diego, CA 92134 USA USN, San Diego Med Ctr, Infect Dis Clin, San Diego, CA 92134 USA

Warkentien, Tyler
论文数: 0 引用数: 0
h-index: 0
机构:
USN, San Diego Med Ctr, Infect Dis Clin, San Diego, CA 92134 USA USN, San Diego Med Ctr, Infect Dis Clin, San Diego, CA 92134 USA

Sanguineti, Gabriela
论文数: 0 引用数: 0
h-index: 0
机构:
USN, San Diego Med Ctr, Infect Dis Clin, San Diego, CA 92134 USA
Uniformed Serv Univ Hlth Sci, Infect Dis Clin Res Program, Bethesda, MD 20814 USA USN, San Diego Med Ctr, Infect Dis Clin, San Diego, CA 92134 USA

Bavaro, Mary
论文数: 0 引用数: 0
h-index: 0
机构:
USN, San Diego Med Ctr, Infect Dis Clin, San Diego, CA 92134 USA USN, San Diego Med Ctr, Infect Dis Clin, San Diego, CA 92134 USA

Hale, Braden R.
论文数: 0 引用数: 0
h-index: 0
机构:
USN, San Diego Med Ctr, Infect Dis Clin, San Diego, CA 92134 USA
Uniformed Serv Univ Hlth Sci, Infect Dis Clin Res Program, Bethesda, MD 20814 USA USN, San Diego Med Ctr, Infect Dis Clin, San Diego, CA 92134 USA
[3]
How Did the 2008-2009 Seasonal Influenza Vaccine Affect the Pandemic?
[J].
Glezen, W. Paul
.
CLINICAL INFECTIOUS DISEASES,
2010, 51 (12)
:1380-1382

Glezen, W. Paul
论文数: 0 引用数: 0
h-index: 0
机构:
Baylor Coll Med, MVM Dept, Houston, TX 77030 USA
Baylor Coll Med, Dept Pediat, Houston, TX 77030 USA Baylor Coll Med, MVM Dept, Houston, TX 77030 USA
[4]
Seasonal Influenza Vaccine and Increased Risk of Pandemic A/H1N1-Related Illness: First Detection of the Association in British Columbia, Canada
[J].
Janjua, Naveed Z.
;
Skowronski, Danuta M.
;
Hottes, Travis S.
;
Osei, William
;
Adams, Evan
;
Petric, Martin
;
Sabaiduc, Suzana
;
Chan, Tracy
;
Mak, Annie
;
Lem, Marcus
;
Tang, Patrick
;
Patrick, David M.
;
De Serres, Gaston
;
Bowering, David
.
CLINICAL INFECTIOUS DISEASES,
2010, 51 (09)
:1017-1027

Janjua, Naveed Z.
论文数: 0 引用数: 0
h-index: 0
机构: Hlth Canada, Epidemiol Serv, BC Ctr Dis Control, Vancouver, BC V5Z 4R4, Canada

Skowronski, Danuta M.
论文数: 0 引用数: 0
h-index: 0
机构:
Hlth Canada, Epidemiol Serv, BC Ctr Dis Control, Vancouver, BC V5Z 4R4, Canada Hlth Canada, Epidemiol Serv, BC Ctr Dis Control, Vancouver, BC V5Z 4R4, Canada

Hottes, Travis S.
论文数: 0 引用数: 0
h-index: 0
机构: Hlth Canada, Epidemiol Serv, BC Ctr Dis Control, Vancouver, BC V5Z 4R4, Canada

Osei, William
论文数: 0 引用数: 0
h-index: 0
机构:
No Hlth Author, Prince George, BC, Canada Hlth Canada, Epidemiol Serv, BC Ctr Dis Control, Vancouver, BC V5Z 4R4, Canada

Adams, Evan
论文数: 0 引用数: 0
h-index: 0
机构:
British Columbia Minist Hlth, Victoria, BC, Canada Hlth Canada, Epidemiol Serv, BC Ctr Dis Control, Vancouver, BC V5Z 4R4, Canada

Petric, Martin
论文数: 0 引用数: 0
h-index: 0
机构: Hlth Canada, Epidemiol Serv, BC Ctr Dis Control, Vancouver, BC V5Z 4R4, Canada

Sabaiduc, Suzana
论文数: 0 引用数: 0
h-index: 0
机构: Hlth Canada, Epidemiol Serv, BC Ctr Dis Control, Vancouver, BC V5Z 4R4, Canada

Chan, Tracy
论文数: 0 引用数: 0
h-index: 0
机构: Hlth Canada, Epidemiol Serv, BC Ctr Dis Control, Vancouver, BC V5Z 4R4, Canada

Mak, Annie
论文数: 0 引用数: 0
h-index: 0
机构: Hlth Canada, Epidemiol Serv, BC Ctr Dis Control, Vancouver, BC V5Z 4R4, Canada

Lem, Marcus
论文数: 0 引用数: 0
h-index: 0
机构:
Hlth Canada, Nations & Inuit Hlth 1, Vancouver, BC V5Z 4R4, Canada Hlth Canada, Epidemiol Serv, BC Ctr Dis Control, Vancouver, BC V5Z 4R4, Canada

Tang, Patrick
论文数: 0 引用数: 0
h-index: 0
机构: Hlth Canada, Epidemiol Serv, BC Ctr Dis Control, Vancouver, BC V5Z 4R4, Canada

Patrick, David M.
论文数: 0 引用数: 0
h-index: 0
机构: Hlth Canada, Epidemiol Serv, BC Ctr Dis Control, Vancouver, BC V5Z 4R4, Canada

De Serres, Gaston
论文数: 0 引用数: 0
h-index: 0
机构:
Inst Natl Sante Publ Quebec, Quebec City, PQ, Canada Hlth Canada, Epidemiol Serv, BC Ctr Dis Control, Vancouver, BC V5Z 4R4, Canada

Bowering, David
论文数: 0 引用数: 0
h-index: 0
机构:
No Hlth Author, Prince George, BC, Canada Hlth Canada, Epidemiol Serv, BC Ctr Dis Control, Vancouver, BC V5Z 4R4, Canada
[5]
Assessment of the Efficacy of Commercially Available and Candidate Vaccines against a Pandemic H1N1 2009 Virus
[J].
Kobinger, Gary P.
;
Meunier, Isabelle
;
Patel, Ami
;
Pillet, Stephane
;
Gren, Jason
;
Stebner, Shane
;
Leung, Anders
;
Neufeld, James L.
;
Kobasa, Darwyn
;
von Messling, Veronika
.
JOURNAL OF INFECTIOUS DISEASES,
2010, 201 (07)
:1000-1006

Kobinger, Gary P.
论文数: 0 引用数: 0
h-index: 0
机构:
Publ Hlth Agcy Canada, Special Pathogens Program, Natl Microbiol Lab, Winnipeg, MB R3E 3R2, Canada
Univ Manitoba, Dept Med Microbiol, Winnipeg, MB, Canada Publ Hlth Agcy Canada, Special Pathogens Program, Natl Microbiol Lab, Winnipeg, MB R3E 3R2, Canada

Meunier, Isabelle
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Quebec, Inst Armand Frappier, Inst Natl Rech Sci, Laval, PQ, Canada Publ Hlth Agcy Canada, Special Pathogens Program, Natl Microbiol Lab, Winnipeg, MB R3E 3R2, Canada

Patel, Ami
论文数: 0 引用数: 0
h-index: 0
机构:
Publ Hlth Agcy Canada, Special Pathogens Program, Natl Microbiol Lab, Winnipeg, MB R3E 3R2, Canada
Univ Manitoba, Dept Med Microbiol, Winnipeg, MB, Canada Publ Hlth Agcy Canada, Special Pathogens Program, Natl Microbiol Lab, Winnipeg, MB R3E 3R2, Canada

Pillet, Stephane
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Quebec, Inst Armand Frappier, Inst Natl Rech Sci, Laval, PQ, Canada Publ Hlth Agcy Canada, Special Pathogens Program, Natl Microbiol Lab, Winnipeg, MB R3E 3R2, Canada

Gren, Jason
论文数: 0 引用数: 0
h-index: 0
机构:
Publ Hlth Agcy Canada, Special Pathogens Program, Natl Microbiol Lab, Winnipeg, MB R3E 3R2, Canada Publ Hlth Agcy Canada, Special Pathogens Program, Natl Microbiol Lab, Winnipeg, MB R3E 3R2, Canada

Stebner, Shane
论文数: 0 引用数: 0
h-index: 0
机构:
Publ Hlth Agcy Canada, Special Pathogens Program, Natl Microbiol Lab, Winnipeg, MB R3E 3R2, Canada Publ Hlth Agcy Canada, Special Pathogens Program, Natl Microbiol Lab, Winnipeg, MB R3E 3R2, Canada

Leung, Anders
论文数: 0 引用数: 0
h-index: 0
机构:
Publ Hlth Agcy Canada, Special Pathogens Program, Natl Microbiol Lab, Winnipeg, MB R3E 3R2, Canada Publ Hlth Agcy Canada, Special Pathogens Program, Natl Microbiol Lab, Winnipeg, MB R3E 3R2, Canada

Neufeld, James L.
论文数: 0 引用数: 0
h-index: 0
机构:
Canadian Food Inspect Agcy, Natl Ctr Foreign Anim Dis, Winnipeg, MB, Canada Publ Hlth Agcy Canada, Special Pathogens Program, Natl Microbiol Lab, Winnipeg, MB R3E 3R2, Canada

Kobasa, Darwyn
论文数: 0 引用数: 0
h-index: 0
机构:
Publ Hlth Agcy Canada, Special Pathogens Program, Natl Microbiol Lab, Winnipeg, MB R3E 3R2, Canada
Univ Manitoba, Dept Med Microbiol, Winnipeg, MB, Canada Publ Hlth Agcy Canada, Special Pathogens Program, Natl Microbiol Lab, Winnipeg, MB R3E 3R2, Canada

von Messling, Veronika
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Quebec, Inst Armand Frappier, Inst Natl Rech Sci, Laval, PQ, Canada Publ Hlth Agcy Canada, Special Pathogens Program, Natl Microbiol Lab, Winnipeg, MB R3E 3R2, Canada
[6]
Association between the 2008-09 Seasonal Influenza Vaccine and Pandemic H1N1 Illness during Spring-Summer 2009: Four Observational Studies from Canada
[J].
Skowronski, Danuta M.
;
De Serres, Gaston
;
Crowcroft, Natasha S.
;
Janjua, Naveed Z.
;
Boulianne, Nicole
;
Hottes, Travis S.
;
Rosella, Laura C.
;
Dickinson, James A.
;
Gilca, Rodica
;
Sethi, Pam
;
Ouhoummane, Najwa
;
Willison, Donald J.
;
Rouleau, Isabelle
;
Petric, Martin
;
Fonseca, Kevin
;
Drews, Steven J.
;
Rebbapragada, Anuradha
;
Charest, Hugues
;
Hamelin, Marie-Eve
;
Boivin, Guy
;
Gardy, Jennifer L.
;
Li, Yan
;
Kwindt, Trijntje L.
;
Patrick, David M.
;
Brunham, Robert C.
.
PLOS MEDICINE,
2010, 7 (04)

Skowronski, Danuta M.
论文数: 0 引用数: 0
h-index: 0
机构:
BCCDC, Vancouver, BC, Canada BCCDC, Vancouver, BC, Canada

De Serres, Gaston
论文数: 0 引用数: 0
h-index: 0
机构:
Inst Natl Sante Publ Quebec, Quebec City, PQ, Canada BCCDC, Vancouver, BC, Canada

Crowcroft, Natasha S.
论文数: 0 引用数: 0
h-index: 0
机构:
Ontario Agcy Hlth Protect & Promot, Toronto, ON, Canada
Univ Toronto, Dalla Lana Sch Publ Hlth, Toronto, ON, Canada BCCDC, Vancouver, BC, Canada

Janjua, Naveed Z.
论文数: 0 引用数: 0
h-index: 0
机构:
BCCDC, Vancouver, BC, Canada BCCDC, Vancouver, BC, Canada

Boulianne, Nicole
论文数: 0 引用数: 0
h-index: 0
机构:
Inst Natl Sante Publ Quebec, Quebec City, PQ, Canada BCCDC, Vancouver, BC, Canada

Hottes, Travis S.
论文数: 0 引用数: 0
h-index: 0
机构:
BCCDC, Vancouver, BC, Canada BCCDC, Vancouver, BC, Canada

Rosella, Laura C.
论文数: 0 引用数: 0
h-index: 0
机构:
Ontario Agcy Hlth Protect & Promot, Toronto, ON, Canada
Univ Toronto, Dalla Lana Sch Publ Hlth, Toronto, ON, Canada BCCDC, Vancouver, BC, Canada

论文数: 引用数:
h-index:
机构:

Gilca, Rodica
论文数: 0 引用数: 0
h-index: 0
机构:
Inst Natl Sante Publ Quebec, Quebec City, PQ, Canada BCCDC, Vancouver, BC, Canada

Sethi, Pam
论文数: 0 引用数: 0
h-index: 0
机构:
Ontario Agcy Hlth Protect & Promot, Toronto, ON, Canada BCCDC, Vancouver, BC, Canada

Ouhoummane, Najwa
论文数: 0 引用数: 0
h-index: 0
机构:
Inst Natl Sante Publ Quebec, Quebec City, PQ, Canada BCCDC, Vancouver, BC, Canada

Willison, Donald J.
论文数: 0 引用数: 0
h-index: 0
机构:
Ontario Agcy Hlth Protect & Promot, Toronto, ON, Canada BCCDC, Vancouver, BC, Canada

Rouleau, Isabelle
论文数: 0 引用数: 0
h-index: 0
机构:
Inst Natl Sante Publ Quebec, Quebec City, PQ, Canada BCCDC, Vancouver, BC, Canada

Petric, Martin
论文数: 0 引用数: 0
h-index: 0
机构:
BCCDC, Vancouver, BC, Canada BCCDC, Vancouver, BC, Canada

Fonseca, Kevin
论文数: 0 引用数: 0
h-index: 0
机构:
Alberta Prov Lab, Edmonton, AB, Canada BCCDC, Vancouver, BC, Canada

Drews, Steven J.
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Calgary, Calgary, AB, Canada BCCDC, Vancouver, BC, Canada

Rebbapragada, Anuradha
论文数: 0 引用数: 0
h-index: 0
机构:
Ontario Agcy Hlth Protect & Promot, Toronto, ON, Canada BCCDC, Vancouver, BC, Canada

Charest, Hugues
论文数: 0 引用数: 0
h-index: 0
机构:
Inst Natl Sante Publ Quebec, Quebec City, PQ, Canada BCCDC, Vancouver, BC, Canada

Hamelin, Marie-Eve
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Laval, CHUQ, Res Ctr, Quebec City, PQ, Canada BCCDC, Vancouver, BC, Canada

Boivin, Guy
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Laval, CHUQ, Res Ctr, Quebec City, PQ, Canada BCCDC, Vancouver, BC, Canada

Gardy, Jennifer L.
论文数: 0 引用数: 0
h-index: 0
机构:
BCCDC, Vancouver, BC, Canada BCCDC, Vancouver, BC, Canada

Li, Yan
论文数: 0 引用数: 0
h-index: 0
机构:
Publ Hlth Agcy Canada, Natl Microbiol Lab, Winnipeg, MB, Canada BCCDC, Vancouver, BC, Canada

Kwindt, Trijntje L.
论文数: 0 引用数: 0
h-index: 0
机构:
BCCDC, Vancouver, BC, Canada BCCDC, Vancouver, BC, Canada

Patrick, David M.
论文数: 0 引用数: 0
h-index: 0
机构:
BCCDC, Vancouver, BC, Canada BCCDC, Vancouver, BC, Canada

Brunham, Robert C.
论文数: 0 引用数: 0
h-index: 0
机构:
BCCDC, Vancouver, BC, Canada BCCDC, Vancouver, BC, Canada
[7]
Failure of protection and enhanced pneumonia with a USH1N2 swine influenza virus in pigs vaccinated with an inactivated classical swine H1N1 vaccine
[J].
Vincent, Amy L.
;
Lager, Kelly M.
;
Janke, Bruce H.
;
Gramer, Marie R.
;
Richt, Juergen A.
.
VETERINARY MICROBIOLOGY,
2008, 126 (04)
:310-323

Vincent, Amy L.
论文数: 0 引用数: 0
h-index: 0
机构:
USDA, Virus & Prion Dis Livestock Res Unit, Natl Anim Dis Ctr, ARS, Ames, IA 50010 USA USDA, Virus & Prion Dis Livestock Res Unit, Natl Anim Dis Ctr, ARS, Ames, IA 50010 USA

Lager, Kelly M.
论文数: 0 引用数: 0
h-index: 0
机构:
USDA, Virus & Prion Dis Livestock Res Unit, Natl Anim Dis Ctr, ARS, Ames, IA 50010 USA USDA, Virus & Prion Dis Livestock Res Unit, Natl Anim Dis Ctr, ARS, Ames, IA 50010 USA

Janke, Bruce H.
论文数: 0 引用数: 0
h-index: 0
机构:
Iowa State Univ, Ames, IA USA USDA, Virus & Prion Dis Livestock Res Unit, Natl Anim Dis Ctr, ARS, Ames, IA 50010 USA

Gramer, Marie R.
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Minnesota, St Paul, MN 55108 USA USDA, Virus & Prion Dis Livestock Res Unit, Natl Anim Dis Ctr, ARS, Ames, IA 50010 USA

Richt, Juergen A.
论文数: 0 引用数: 0
h-index: 0
机构:
USDA, Virus & Prion Dis Livestock Res Unit, Natl Anim Dis Ctr, ARS, Ames, IA 50010 USA USDA, Virus & Prion Dis Livestock Res Unit, Natl Anim Dis Ctr, ARS, Ames, IA 50010 USA