Kl. Curran et al., Borrelia burgdorferi and the causative agent of human granulocytic ehrlichiosis in deer ticks, Delaware, EM INFECT D, 6(4), 2000, pp. 408-411
During the 1998 hunting season in Delaware, 1,480 ticks were collected from
252 white-tailed deer; 98% were Ixodes scapularis, a significant increase
from the 85% reported in 1988. Ticks were tested for Borrelia burgdorferi a
nd the causative agent of human granulocytic ehrlichiosis. Infection rates
remained stable in New Castle and Kent counties, but increased from <1% to
8% in Sussex County.