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The most common symptoms are fever, headache, malaise, and muscle aches . Compared to human granulocytic anaplasmosis, rash is more common. [4] Laboratory abnormalities include thrombocytopenia, leukopenia, and elevated liver tests. [citation needed] The severity of the illness can range from minor or asymptomatic to life-threatening.
Ehrlichiosis is a tick-borne [3] bacterial infection, [4] caused by bacteria of the family Anaplasmataceae, genera Ehrlichia and Anaplasma. These obligate intracellular bacteria infect and kill white blood cells. The average reported annual incidence is on the order of 2.3 cases per million people. [5]
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.
These bacteria cause the disease ehrlichiosis, which is considered zoonotic, because the main reservoirs for the disease are animals. Ehrlichia species are obligately intracellular pathogens and are transported between cells through the host cell filopodia during initial stages of infection, whereas in the final stages of infection, the ...
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).
stool (diarrhea=ciliated trophozoite; solid stool=large cyst with horseshoe shaped nucleus) ingestion of cyst, zoonotic infection acquired from pigs (feces) Blastocystosis: Blastocystis spp. intestinal direct microscopy of stool (PCR, antibody) • worldwide: one of the most common human parasites [1] [2]
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]
The cause of dysentery is usually the bacteria from genus Shigella, in which case it is known as shigellosis, or the amoeba Entamoeba histolytica; then it is called amoebiasis. [1] Other causes may include certain chemicals, other bacteria, other protozoa, or parasitic worms. [2] It may spread between people. [4]