Affiliation: | Department of Environment and Protection, National Defence Research Establishment, S-901 82 Umeå, Sweden;Institute for Immunology, Puryne Military Medical Academy, Hradec Kralove, Czech Republic;Department of NBC, National Defence Research Establishment, S-901 82 Umeå, Sweden;Department of Infectious Diseases, University of Umeå, S-901 85 Umeå, Sweden;Department of Microbiology, National Defence Research Establishment, S-901 82 Umeå, Sweden |