Rickettsia Research and Treatments  
   A collection of research articles from a variety of medical journals.
   http://www.cfsresearch.org/rickettsia/

The Merck Manual: Rickettsial Diseases  
   Provides detailed information on each of these conditions, including symtpoms, diagnosis, treatment and public health implications.
   http://www.merck.com/mrkshared/mmanual/section13/chapter159/159a.jsp

Medmicro: Rickettsiae  
   Scientific and medical information on the organisms and the diseases they cause.
   http://gsbs.utmb.edu/microbook/ch038.htm

eMedicine - Mediterranean Spotted Fever  
   Article by Pierre A Dorsainvil, MD. Also known as boutonneuse fever, is transmitted by the dog tick Rhipicephalus sanguineus.
   http://www.emedicine.com/med/topic1412.htm

CDC Travelers' Health Information on Rickettsial Infections  
   Factsheet on the various rickettsial diseases a traveler might encounter.
   http://www.cdc.gov/travel/diseases/rickettsial.htm