- Ehrlichiosis - Short scientific article with bibliography on the disease in humans and animals.
- Ehrlichiosis - Description of the disease and diagnostic tests.
- Ehrlichiosis Facts - Newly discovered rickettsial diseases transmitted by ticks. Includes symptoms, treatment, and prevention.
- Emergence of the Ehrlichioses as Human Health Problems - Scientific and medical article on the disease.
- Human Ehrlichioses in the United States - Short article from the Centers for Disease Control and Prevention.
- 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.