Occurrence of soil- and tick-borne fungi and related virulence tests for pathogenicity to Ixodes scapularis (Acari: Ixodidae).

Ixodes scapularis Say, the blacklegged tick, vectors Borrelia burgdorferi Johnson et al. 1984, the bacterium that causes Lyme disease, the most important vector-borne disease in the United States. Efforts to reduce I.