Ehrlichiosis
   Description of the disease and diagnostic tests.
   http://www.igenex.com/tickset2.htm

Ehrlichiosis Facts
   Newly discovered rickettsial diseases transmitted by ticks. Includes symptoms, treatment, and prevention.
   http://www.astdhpphe.org/infect/ehrlichiosis.html

Emergence of the Ehrlichioses as Human Health Problems
   Scientific and medical article on the disease.
   http://www.cdc.gov/ncidod/eid/vol2no1/walker1.htm

Human Ehrlichioses in the United States
   Short article from the Centers for Disease Control and Prevention.
   http://www.cdc.gov/ncidod/dvrd/ehrlichia/

Species Jump: Human Ehrlichiosis- Mutant or Emergence?
   Research article on the disease. Includes organism description, similar organisms, symptoms, bibliography, and speculation on the origin of the rickettsia.
   http://www.doofus.org/mercatroid/ehrlichia.html