Ehrlichia

(redirected from Ehrlichia chaffeensis)
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Ehrlichia

[er′lik·ē·ə]
(microbiology)
A genus of the tribe Ehrlichieae; coccoid to ellipsoidal or pleomorphic cells; intracellular parasites in cytoplasm of host leukocytes.
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Increasing incidence of Ehrlichia chaffeensis and Anaplasma phagocytophilum in
21) Previously, only Ehrlichia chaffeensis and E ewingii were thought to cause tick-borne Ehrlichiosis in humans in the US, and neither is endemic in Wisconsin or Minnesota.
9:30 EHRLICHIA CHAFFEENSIS AND ITS INTERACTION WITH TICK SALIVARY GLANDS
In people, one or the most prevalent culprits is the bacterium Ehrlichia chaffeensis which causes a form of the disease known as human monocytic ehrlichiosis (HME).
Post-release from the hospital, results came back seropositive (private laboratory, Tampa) for Ehrlichia chaffeensis, the causative agent of human monocytic ehrlichiosis (HME).
Some of these include other Borrelia species, Babesia microti, Babesia duncani, Ehrlichia chaffeensis, Anaplasma phagocytophilum, Bartonella henselae, Bartonella quintana, Mycoplasma fermentans and other Mycoplasma species, Rickettsia rickettsii, Coxiella burnetii, Francisella tularensis, viruses such as HHV-6, nematodes, and possibly many other organisms.
Further evaluation revealed positive serology for Ehrlichia chaffeensis with an initial titer of 64 during the first week's test, 128 for the second week, and a maximum of 1024 by the third week.
Ehrlichia chaffeensis is an obligatory intracellular, tick-transmitted bacterium that is maintained in nature in a cycle involving at least one and perhaps several vertebrate reservoir hosts.
Human Monocytic Ehrlichiosis (HME) is a vector-borne disease transmitted through the bite of Ixodid ticks carrying the obligate intraleucocytic bacterium Ehrlichia chaffeensis.
Susceptibility of white-tailed deer (Odocoileus virginianus) to infection with Ehrlichia chaffeensis, the etiologic agent of human ehrlichiosis.
Human monocytic ehrlichiosis (HME), caused by Ehrlichia chaffeensis, was first recognized in 1986 and was isolated from an Army recruit at Fort Chaffee, Ark.
Pathogen testing in patient with undifferentiated severe sepsis, Minnesota, USA, 2014 * Serum sample Pathogen tested Acute phase HIV-1/-2 Ag/Ab screen negative Leptospira IgM/IgG negative Cryptococcus Antigen screen negative Anaplasma phagocytophilum IgG <1:64, PCR negative Ehrlichia chaffeensis IgG <1:64, PCR negative Ehrlichia ewingii/canis PCR negative Ehrlichia muris-like PCR negative Borrelia burgdorferi Ab screen negative Babesia microti IgG <1:64, PCR negative Babesia duncani PCR negative Babesia divergens strain MO-1 PCR negative West Nile virus IgM/IgG and PCR negative Eastern equine encephalitis virus IgM/IgG <1:10 Western equine encephalitis virus IgM/IgG <1:10 St.