Table 3.

Transmission of B. burgdorferi and E. phagocytophila to mice by individual I. scapularis nymphs

Infection in nymphsNo. of ticks fedTransmitting B. burgdorferia Transmitting E. phagocytophilaa
No. (%)No. (%)
B. burgdorferionly3831 (81.6 ± 12.5)
B. burgdorferi and E. phagocytophila 3021 (70.0 ± 16.7)25 (83.3 ± 13.6)
E. phagocytophilaonly2118 (85.7 ± 15.3)
  • a ± 95% confidence interval.