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Interstadial variation in prevalence of B. burgdorferi sensu lato (Borrelia), B. afzelii (Afzelii), B. burgdorferi sensu stricto (s.stricto), Ehrlichia species (Ehrlichia), the Ehrlichia-like organism (ELO), and other Ehrlichia species. Data are for site 1, May to July 1999, and include 144 nymphs, 75 females, and 75 males divided equally between three collection dates. All occurrences of ticks containing the species indicated, including multiply positive ticks, are counted.
