Pathogenesis > Infectious Disease > Bacteria > Rickettsia

Rickettsia

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most Rickettsial disease – eschar at site of vector bite

 

•Rocky Mountain spotted fever
•Rickettsial pox
•Tick typhus

 

 

in common:

•all three cause a vasculitis histologically
•all three have fever (while tick typhus and RMSF have chills, headache, myalgia also)
•vector for tick typhus and RMSF are both dog ticks