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Ehrlichia chaffeensis is an obligate intracellular, [1] Gram-negative species of Rickettsiales bacteria. [2] It is a zoonotic pathogen transmitted to humans by the lone star tick (Amblyomma americanum). [3] It is the causative agent of human monocytic ehrlichiosis. [4]
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 in dogs will show obvious symptoms on the later part of infection. This is why some symptoms are already severe when diagnosed. There are three stages of ehrlichia infection - the acute (or the early stage), sub-clinical (symptoms are not yet evident), and clinical or chronic (symptoms are obvious and long-standing). [16]
Ehrlichia canis is a small, obligate-intracellular, tick-transmitted, Gram-negative α-proteobacterium. This species is responsible for the globally distributed canine monocytic ehrlichiosis . E. canis also shows evolution in its complex membrane structures and immune evasion strategies.
Amid growing anxieties surrounding reported drone sightings, the FBI has issued a warning against a new trend of pointing lasers at aircrafts.
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).
From blood samples, 16S rRNA genes were amplified using standard polymerase chain reaction (PCR), and the genes were analyzed using gel electrophoresis and a GAP (Genetic Analysis Program) system. [4] This data was compared to all other Ehrlichia species, and Anderson et al. found that CGE is most closely related to E. chaffeensis and E. canis.
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