[1]NIAID, Integrated Res Facil Ft Detrick, NIH, Frederick, MD 20852 USA;
[2]NIH, Natl Ctr Biotechnol Informat, Natl Lib Med, Bldg 10, Bethesda, MD 20892 USA;
[3]Pasteur Inst, Dept Microbiol, Paris, France;
[4]Fudan Univ, Shanghai Publ Hlth Clin Ctr, Shanghai, Peoples R China;
[5]Fudan Univ, Inst Biomed Sci, Shanghai, Peoples R China;
[6]Chinese Ctr Dis Control & Prevent, Beijing, Peoples R China;
[7]Katholieke Univ Leuven, Catholic Univ Leuven, Zoonot Infect Dis Unit, Leuven, Belgium;
[8]Oregon State Univ, Dept Bot & Plant Pathol, Corvallis, OR 97331 USA