Ehrlichiosis
Human Monocytic Ehrlichiosis (HME)
south-central and southeastern states
Ehrlichia chaffeensis carried by Amblyomma americanum or D. Variabilis ticks
Human Granulocytic Ehrlichiosis HGE
upper midwest, northeast, Pacific northwest
Ehrlichia canis or Ehrlichia phagocytophila carried by I. Scapularis or I. Pacificus