Cotransmission of Divergent Relapsing Fever Spirochetes by Artificially Infected Ornithodoros hermsii
Paul F. Policastro,* Sandra J. Raffel, and Tom G. Schwan Medical Entomology Section, Laboratory of Zoonotic Pathogens, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana 59840 Abstract The soft tick Ornithodoros hermsi, which ranges in specific arboreal zones of western North America, acts as a vector for…