| Affiliation: | 1. Department of Medicine, Division of Immunobiology, University of Vermont, Burlington, VT 05405, USA;2. Department of Microbiology and Molecular Genetics, University of Vermont, Burlington, VT 05405, USA;3. Vaccine Testing Center, University of Vermont, Burlington, VT 05405, USA;1. Special Pathogens Program, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB R3E 3R2, Canada;2. Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB R3E 0J9, Canada |
