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Amblyomma americanum, also known as the lone star tick, the northeastern water tick, or the turkey tick, is a type of tick indigenous to much of the eastern United States and Mexico, that bites painlessly and commonly goes unnoticed, remaining attached to its host for as long as seven days until it is fully engorged with blood.
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Amblyomma americanum Amblyomma cajennense Amblyomma maculatum Amblyomma marmoreum C. L. Koch drawn by Oudemans Amblyomma scalpturatum. Amblyomma is a genus of hard ticks. Some are disease vectors, for example the Rocky Mountain spotted fever in United States or ehrlichiosis in Brazil. Amblyomma supinoi Amblyomma triste Amblyomma variegatum
Because of their small size, larvae are highly susceptible to dehydration and starvation, so a period without access to hosts of about 2 months can be effective. The nymphs and adults of three-host ticks, such as Amblyomma and Rhipicephalus species, can live for many months to a year or more, respectively, whilst questing on the vegetation ...
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Humans contract the disease after a bite by an infected tick of the species Amblyomma americanum. [citation needed] Those with an underlying immunodeficiency (such as HIV) appear to be at greater risk of contracting the disease. Compared to HME, ewingii ehrlichiosis has a decreased incidence of complications. [3]
This illness is a tick-borne disease carried by the lone star tick Amblyomma americanum.This tick was first proposed as a possible vector of disease in 1984, [2] and the illnesses associated with the tick called "Lyme-like disease", [3] but it was not recognized to be distinct from Lyme disease until the late 1990s.
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