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

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

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