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Related to ehrlichiosis: Human granulocytic ehrlichiosis


Infection with parasitic rickettsiae of the genus Ehrlichia, especially E. sennetsu, that are transmitted by ticks and produce manifestations in humans similar to those of Rocky Mountain spotted fever, including rash, muscle pain, and fever.

[New Latin Ehrlichia, family name (after Paul Ehrlich) + -osis.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ɜrˌlɪk iˈoʊ sɪs)
an infection caused by bacteria of the genus Ehrlichia, which are thought to be transmitted to humans and animals by ticks.
[after Paul Ehrlich]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Direct cultivation of the causative agent of human granulocytic ehrlichiosis. N Engl J Med.
Of all the blood tests your dog will have over the course of his lifetime, one that should always be done annually is the screening test for evidence of heartworm, Lyme disease, anaplasmosis, and ehrlichiosis.
The most common tick-borne diseases in the UAE are ehrlichiosis and anaplasmosis Image Credit: Shutterstock By Dr Kathleen Leguin, Practice Manager and Veterinary Surgeon, The City Vet Clinic
The CDC also noted a rise in cases of ehrlichiosis, an infection spread by the lonestar tick (common in the southeastern and south central regions).
Ehrlichiosis is one of the major tick transmitted diseases of dogs and can lead to a wide variety of clinical signs.
Other tick-borne diseases include Rocky Mountain Spotted Fever, babesiosis, ehrlichiosis, anaplasmosis, Powassan disease, tick-borne relapsing fever and tularemia.
Canine babesiosis and ehrlichiosis are two ticks borne parasitic and bacterial pathogen of dogs with zoonotic importance.
The hallmarks of symptomatic human monocytic ehrlichiosis (HME) include fever, headache, myalgia, nausea, malaise, transaminitis, and blood cell abnormalities.
The three Ehrlichia species have the potential of zoonotic transmission through vectors (monocytic canine ehrlichiosis, human monocytic ehrlichiosis, and canine granulocytic ehrlichiosis); although the role of the dog is not clear yet in the epidemiology of the disease in humans [2, 19-21].
Rickettsiae and related ehrlichial organisms are obligate intracellular bacteria carried by mites, fleas, ticks, and lice and are the agents of numerous tick-borne diseases found in Virginia, such as Rocky Mountain spotted fever (Rickettsia rickettsii), Tidewater spotted fever (Rickettsia parkeri), Human monotropic ehrlichiosis (Ehrlichia chaffeensis), and Ewingii ehrlichiosis (Ehrlichia ewingii).