Affiliation: | 1. Department of Microbiology, the University of Hong Kong, Hong Kong SAR, People''s Republic of China.; 2. Key Laboratory of Medical Molecular Virology, Institute of Medical Microbiology, Shanghai Medical College, Fudan University, Shanghai, China.; 3. Department of Biochemistry, the University of Hong Kong, Hong Kong SAR, People''s Republic of China.;Institut Pasteur, France |