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a bacterial species that causes human granulocytic ehrlichiosis; occurs in the Mid-Atlantic region, southern New England, and southern Midwest; is spread by ticks (Ixodes).
Ehr·li·chi·a e·qui(ār-lik'ē-ă ek'wī)
A bacterial species that causes human granulocytic ehrlichiosis; occurs in the Mid-Atlantic, southern New England, and southern Midwest and is spread by ticks (Ixodes).
a genus of bacteria in the family Anaplasmataceae, order Rickettsiales, recently reclassified so that some species are now Anaplasma and some as Neorickettsia. All are intracellular parasites of leukocytes and endothelial cells of animals or humans and require a vector for transmission. See also Rickettsia, Anaplasma, Neorickettsia.
causes canine monocytic ehrlichiosis.
causes canine granulocytic ehrlichiosis.
causes ondiri disease. Called also bovine petechial fever.
now Anaplasmaphagocytophila; causes benign ovine rickettsiosis.
cause of heartwater in cattle and transmitted by Amblyomma spp. Previously classified as Rickettsia ruminantium and Cowdria ruminantium.