Affiliation: | (1) Arthropod-Borne and Infectious Diseases Laboratory, Department of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, CO 80523, USA;(2) Division of Vector Control, La Crosse County Health Department, La Crosse, WI 54601, USA;(3) Present address: Department of Pediatric Infectious Disease, Medical College of Wisconsin, Milwaukee, WI 53201, USA |