Tick Disease

Diseases vectored by ticks (CDC link information)



  • Babesiosis - caused by Babesia microti found in nymphal black-legged tick Ixodes scapularis.


  • Spotted fever group rickettsioses - Several spotted fevers including Rocky Mountain spotted fever caused by different rickettsia and transmitted by American dog tick Dermacentor variabilis, brown dog tick Rhipicephalus sanguineus and other ticks.

Unknown Etiological Agent


  • Bourbon virus - a thogotovirus transmitted by unknown species of tick (currently not found in NJ).
  • Colorado Tick Fever - a coltivirus transmitted by Rocky Mountain wood tick Dermacentor andersoni (currently not found in NJ).
  • Heartland virus - A phlebovirus that can be transmitted by the lone star tick Amblyomma americanum as well as mosquitoes and sand flies. Not currently in NJ.
  • Powassan virus - A flavivirus transmitted by the blacklegged tick Ixodes scapularis and other Ixodes.

Center for Vector Biology