Lethality to Ferrets of H5N1 Influenza Viruses Isolated from Humans and Poultry in 2004

Departments of Infectious Diseases and Pathology, St. Jude Children's Research Hospital, and Department of Pathology, University of Tennessee, Memphis, Tennessee; Joint Influenza Research Center (Shantou University Medical College and Hong Kong University), Shantou University Medical College, Shantou, Guangdong, and Government Virus Unit, Department of Health, Hong Kong, Special Administrative Region, People's Republic of China; Department of Virology, National Institute of Veterinary Research, Ministry of Agriculture and Rural Development, and Virology Department, National Institute of Hygiene and Epidemiology, Hanoi, Vietnam; and Department of Microbiology, Sriraj Hospital, and Department of Livestock Development, National Institute of Animal Health, Bangkok, Thailand

Departments of Infectious Diseases and Pathology, St. Jude Children's Research Hospital, and Department of Pathology, University of Tennessee, Memphis, Tennessee; Joint Influenza Research Center (Shantou University Medical College and Hong Kong University), Shantou University Medical College, Shantou, Guangdong, and Government Virus Unit, Department of Health, Hong Kong, Special Administrative Region, People's Republic of China; Department of Virology, National Institute of Veterinary Research, Ministry of Agriculture and Rural Development, and Virology Department, National Institute of Hygiene and Epidemiology, Hanoi, Vietnam; and Department of Microbiology, Sriraj Hospital, and Department of Livestock Development, National Institute of Animal Health, Bangkok, Thailand

Departments of Infectious Diseases and Pathology, St. Jude Children's Research Hospital, and Department of Pathology, University of Tennessee, Memphis, Tennessee; Joint Influenza Research Center (Shantou University Medical College and Hong Kong University), Shantou University Medical College, Shantou, Guangdong, and Government Virus Unit, Department of Health, Hong Kong, Special Administrative Region, People's Republic of China; Department of Virology, National Institute of Veterinary Research, Ministry of Agriculture and Rural Development, and Virology Department, National Institute of Hygiene and Epidemiology, Hanoi, Vietnam; and Department of Microbiology, Sriraj Hospital, and Department of Livestock Development, National Institute of Animal Health, Bangkok, Thailand

Departments of Infectious Diseases and Pathology, St. Jude Children's Research Hospital, and Department of Pathology, University of Tennessee, Memphis, Tennessee; Joint Influenza Research Center (Shantou University Medical College and Hong Kong University), Shantou University Medical College, Shantou, Guangdong, and Government Virus Unit, Department of Health, Hong Kong, Special Administrative Region, People's Republic of China; Department of Virology, National Institute of Veterinary Research, Ministry of Agriculture and Rural Development, and Virology Department, National Institute of Hygiene and Epidemiology, Hanoi, Vietnam; and Department of Microbiology, Sriraj Hospital, and Department of Livestock Development, National Institute of Animal Health, Bangkok, Thailand

Departments of Infectious Diseases and Pathology, St. Jude Children's Research Hospital, and Department of Pathology, University of Tennessee, Memphis, Tennessee; Joint Influenza Research Center (Shantou University Medical College and Hong Kong University), Shantou University Medical College, Shantou, Guangdong, and Government Virus Unit, Department of Health, Hong Kong, Special Administrative Region, People's Republic of China; Department of Virology, National Institute of Veterinary Research, Ministry of Agriculture and Rural Development, and Virology Department, National Institute of Hygiene and Epidemiology, Hanoi, Vietnam; and Department of Microbiology, Sriraj Hospital, and Department of Livestock Development, National Institute of Animal Health, Bangkok, Thailand

Departments of Infectious Diseases and Pathology, St. Jude Children's Research Hospital, and Department of Pathology, University of Tennessee, Memphis, Tennessee; Joint Influenza Research Center (Shantou University Medical College and Hong Kong University), Shantou University Medical College, Shantou, Guangdong, and Government Virus Unit, Department of Health, Hong Kong, Special Administrative Region, People's Republic of China; Department of Virology, National Institute of Veterinary Research, Ministry of Agriculture and Rural Development, and Virology Department, National Institute of Hygiene and Epidemiology, Hanoi, Vietnam; and Department of Microbiology, Sriraj Hospital, and Department of Livestock Development, National Institute of Animal Health, Bangkok, Thailand

Departments of Infectious Diseases and Pathology, St. Jude Children's Research Hospital, and Department of Pathology, University of Tennessee, Memphis, Tennessee; Joint Influenza Research Center (Shantou University Medical College and Hong Kong University), Shantou University Medical College, Shantou, Guangdong, and Government Virus Unit, Department of Health, Hong Kong, Special Administrative Region, People's Republic of China; Department of Virology, National Institute of Veterinary Research, Ministry of Agriculture and Rural Development, and Virology Department, National Institute of Hygiene and Epidemiology, Hanoi, Vietnam; and Department of Microbiology, Sriraj Hospital, and Department of Livestock Development, National Institute of Animal Health, Bangkok, Thailand

Departments of Infectious Diseases and Pathology, St. Jude Children's Research Hospital, and Department of Pathology, University of Tennessee, Memphis, Tennessee; Joint Influenza Research Center (Shantou University Medical College and Hong Kong University), Shantou University Medical College, Shantou, Guangdong, and Government Virus Unit, Department of Health, Hong Kong, Special Administrative Region, People's Republic of China; Department of Virology, National Institute of Veterinary Research, Ministry of Agriculture and Rural Development, and Virology Department, National Institute of Hygiene and Epidemiology, Hanoi, Vietnam; and Department of Microbiology, Sriraj Hospital, and Department of Livestock Development, National Institute of Animal Health, Bangkok, Thailand

Departments of Infectious Diseases and Pathology, St. Jude Children's Research Hospital, and Department of Pathology, University of Tennessee, Memphis, Tennessee; Joint Influenza Research Center (Shantou University Medical College and Hong Kong University), Shantou University Medical College, Shantou, Guangdong, and Government Virus Unit, Department of Health, Hong Kong, Special Administrative Region, People's Republic of China; Department of Virology, National Institute of Veterinary Research, Ministry of Agriculture and Rural Development, and Virology Department, National Institute of Hygiene and Epidemiology, Hanoi, Vietnam; and Department of Microbiology, Sriraj Hospital, and Department of Livestock Development, National Institute of Animal Health, Bangkok, Thailand

Departments of Infectious Diseases and Pathology, St. Jude Children's Research Hospital, and Department of Pathology, University of Tennessee, Memphis, Tennessee; Joint Influenza Research Center (Shantou University Medical College and Hong Kong University), Shantou University Medical College, Shantou, Guangdong, and Government Virus Unit, Department of Health, Hong Kong, Special Administrative Region, People's Republic of China; Department of Virology, National Institute of Veterinary Research, Ministry of Agriculture and Rural Development, and Virology Department, National Institute of Hygiene and Epidemiology, Hanoi, Vietnam; and Department of Microbiology, Sriraj Hospital, and Department of Livestock Development, National Institute of Animal Health, Bangkok, Thailand

Departments of Infectious Diseases and Pathology, St. Jude Children's Research Hospital, and Department of Pathology, University of Tennessee, Memphis, Tennessee; Joint Influenza Research Center (Shantou University Medical College and Hong Kong University), Shantou University Medical College, Shantou, Guangdong, and Government Virus Unit, Department of Health, Hong Kong, Special Administrative Region, People's Republic of China; Department of Virology, National Institute of Veterinary Research, Ministry of Agriculture and Rural Development, and Virology Department, National Institute of Hygiene and Epidemiology, Hanoi, Vietnam; and Department of Microbiology, Sriraj Hospital, and Department of Livestock Development, National Institute of Animal Health, Bangkok, Thailand

Departments of Infectious Diseases and Pathology, St. Jude Children's Research Hospital, and Department of Pathology, University of Tennessee, Memphis, Tennessee; Joint Influenza Research Center (Shantou University Medical College and Hong Kong University), Shantou University Medical College, Shantou, Guangdong, and Government Virus Unit, Department of Health, Hong Kong, Special Administrative Region, People's Republic of China; Department of Virology, National Institute of Veterinary Research, Ministry of Agriculture and Rural Development, and Virology Department, National Institute of Hygiene and Epidemiology, Hanoi, Vietnam; and Department of Microbiology, Sriraj Hospital, and Department of Livestock Development, National Institute of Animal Health, Bangkok, Thailand

Departments of Infectious Diseases and Pathology, St. Jude Children's Research Hospital, and Department of Pathology, University of Tennessee, Memphis, Tennessee; Joint Influenza Research Center (Shantou University Medical College and Hong Kong University), Shantou University Medical College, Shantou, Guangdong, and Government Virus Unit, Department of Health, Hong Kong, Special Administrative Region, People's Republic of China; Department of Virology, National Institute of Veterinary Research, Ministry of Agriculture and Rural Development, and Virology Department, National Institute of Hygiene and Epidemiology, Hanoi, Vietnam; and Department of Microbiology, Sriraj Hospital, and Department of Livestock Development, National Institute of Animal Health, Bangkok, Thailand

Departments of Infectious Diseases and Pathology, St. Jude Children's Research Hospital, and Department of Pathology, University of Tennessee, Memphis, Tennessee; Joint Influenza Research Center (Shantou University Medical College and Hong Kong University), Shantou University Medical College, Shantou, Guangdong, and Government Virus Unit, Department of Health, Hong Kong, Special Administrative Region, People's Republic of China; Department of Virology, National Institute of Veterinary Research, Ministry of Agriculture and Rural Development, and Virology Department, National Institute of Hygiene and Epidemiology, Hanoi, Vietnam; and Department of Microbiology, Sriraj Hospital, and Department of Livestock Development, National Institute of Animal Health, Bangkok, Thailand