نتایج جستجو برای: ehrlichiosis
تعداد نتایج: 841 فیلتر نتایج به سال:
To the Editor: Ehrlichiosis is a zoonotic disease transmitted to humans through the bite of infected ticks (1). The first recognized human ehrlichial infection, Sennetsu fever, was described in Japan in 1954 (2). The first case of human ehrlichiosis in the United States was recognized in 1986 and was reported in 1987 (3). The disease is caused by intracellular gramnegative bacteria of the Ehrli...
1. Paddock CD, Childs JE. Ehrlichia chaffeensis: a prototypical emerging pathogen. Clin Microbiol Rev. 2003;16:37–64. 2. Arraga-Alvarado C, Montero-Ojeda M, Bernardoni A, Anderson BE, Parra O. Human ehrlichiosis: report of the 1st case in Venezuela [in Spanish]. Invest Clin. 1996;37:35–49. 3. Gongora-Biachi RA, Zavala-Velasquez J, Castro-Sansores C, Gonzalez-Martinez P. First case of human ehrl...
The bacterial 16S rRNA genes from blood samples of two patients with human ehrlichiosis and from an isolate recovered from one of the patients were amplified by using the polymerase chain reaction. The amplimers were then cloned and sequenced. The 16S rRNA gene sequence was also determined for Ehrlichia canis (two strains), E. equi, E. phagocytophila (two strains), and E. sennetsu (two strains)...
Canine ehrlichiosis is caused by the bacterium Ehrlichia canis and is characterized by a systemic febrile disease of unknown pathogenesis. This study evaluated the expression of cytokines TNF-α, IL-10, IFN-γ, in splenic cells and blood leukocytes during the acute phase of ehrlichiosis and after treatment with doxycycline hyclate in dogs experimentally infected with the E. canis Jaboticabal stra...
BACKGROUND The goal of this case is to review the zoonotic infection, human granulocytic ehrlichiosis, presenting with pyrexia. Case. A 22-year-old multigravid female presented to the emergency department with a painful skin rash, high fever, and severe myalgias. The patient underwent a diagnostic evaluation for zoonotic infections due to her geographical and seasonal risk factors. Treatment of...
The clinical course and laboratory evaluation of 21 patients coinfected with human immunodeficiency virus (HIV) and Ehrlichia chaffeensis or Ehrlichia ewingii are reviewed and summarized, including 13 cases of ehrlichiosis caused by E. chaffeensis, 4 caused by E. ewingii, and 4 caused by either E. chaffeensis or E. ewingii. Twenty patients were male, and the median CD4(+) T lymphocyte count was...
The emerging tick-borne zoonoses human monocytic ehrlichiosis (HME) and human granulocytic ehrlichiosis (HGE) are under reported in the United States. From 1986 through 1997, 1,223 cases (742 HME, 449 HGE, and 32 not ascribed to a specific ehrlichial agent) were reported by state health departments. HME was most commonly reported from southeastern and southcentral states, while HGE was most oft...
Canine tick borne disease, such as anaplasmosis and ehrlichiosis are common diseases in veterinary practices. Most patients are diagnosed using clinical findings, history of tick bites and hematological findings; however, proper approach to diagnostic is not always feasible. Blood from 104 animal patients from urban and rural areas were analyzed finding 53.84% (n=56) having parameters compatibl...
Background and Aims: Ehrlichiosis is an emerging tick-borne zoonotic disease caused by the gramnegative coccid obligate intracellular bacteria of the family Anaplasmataceae. Since the only available evidence in regard to monocytic Ehrlichiosis in Iran is related to dogs, the present study was designed to use the polymerase chain reaction assay for confirming the presence of Ehrlichia spp. in...
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