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Ehrlichia chaffeensis. E. chaffeensis causes human monocytic ehrlichiosis and is known to infect monocytes. [1] It has also been known to infect other cell types such as lymphocytes, atypical lymphocytes, myelocytes, and neutrophils, but monocytes appear to best harbor the infection.
Human monocytotropic ehrlichiosis [1] is a form of ehrlichiosis associated with Ehrlichia chaffeensis. [2] This bacterium is an obligate intracellular pathogen affecting monocytes and macrophages. [3]
Ehrlichia chaffeensis causes human monocytic ehrlichiosis. E. chaffeensis is most common in the south-central and southeastern states. Ehrlichia canis; Neorickettsia sennetsu; Ehrlichia muris eauclairensis [7] Ixodes scapularis is another type of tick that can spread Ehrlichiosis muris eauclairensis. [8] The latter three infections are not well ...
Ehrlichiosis ewingii infection [1] is an infectious disease caused by an intracellular bacteria, Ehrlichia ewingii. [2] The infection is transmitted to humans by the tick, Amblyomma americanum . This tick can also transmit Ehrlichia chaffeensis , the bacteria that causes human monocytic ehrlichiosis (HME).
Ehrlichia is a genus of Rickettsiales bacteria that are transmitted to vertebrates by ticks. These bacteria cause the disease ehrlichiosis , which is considered zoonotic , because the main reservoirs for the disease are animals.
Ehrlichia ewingii is a species of Rickettsiales bacteria. It has recently [when?] been associated with human infection, and can be detected via PCR serological testing. The name Ehrlichia ewingii was proposed in 1992. [1]
direct microscopy of stool (PCR, antibody) • worldwide: one of the most common human parasites [1] [2] • Developing regions: infects 40–100% of the total populations [1] [2] [3] eating food contaminated with feces from an infected human or animal Cryptosporidiosis: Cryptosporidium spp. intestines stool widespread
Clinically, HGA is essentially indistinguishable from human monocytic ehrlichiosis, the infection caused by Ehrlichia chaffeensis, and other tick-borne illnesses such as Lyme disease may be suspected. [15] As Ehrlichia serologies can be negative in the acute period, PCR is very useful for diagnosis. [16]