Author Affiliations +
A. Woolf,1 C. Gremillion-Smith,1 J. P. Sundberg,2 F. W. Chandler3
1Cooperative Wildlife Research Laboratory, Southern Illinois University at Carbondale, Carbondale, Illinois 62901, USA
2Department of Pathobiology, University of Illinois, Urbana, Illinois 61801, USA
3Division of Host Factors, Center for Infectious Diseases, Centers for Disease Control, Public Health Service, U.S. Department of Health and Human Services, Atlanta, Georgia 30333, USA