Cases reported "Tick Infestations"

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1/3. Introduction of the exotic tick Amblyomma hebraeum into florida on a human host.

    A resident of florida returned from a short visit to southern africa to find a male Amblyomma hebraeum tick attached to the skin behind her knee. Amblyomma hebraeum is a major vector of 2 pathogens that cause important diseases in southern africa, heartwater of ruminants and African tick-bite fever of humans. The tick was tested by polymerase chain reaction assay for evidence of infection with Cowdria ruminantium and rickettsia africae (the causative agents of heart-water and African tick-bite fever, respectively) and was found to be negative for both agents. This is the second record of the exotic tick, A. hebraeum, being introduced into the united states on a human host.
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ranking = 1
keywords = lyme
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2/3. Tick inoculation in an eyelid region: report on five cases with one complication of the orbital myositis associated with Lyme borreliosis.

    PURPOSE: To determine the frequency and dependence of Lyme borreliosis after tick infestation in the eyelid region. MATERIAL AND methods: Five patients after tick inoculation were investigated by immunofluorescence assays for IgM and IgG system). Ophthalmologic evaluation of myositis was supported with MRI, laboratory, and internal clinical investigations. RESULTS: Four children showed negative Borrelia serology after a bite from a tick. In one case the left abducens nerve palsy was found, which was diagnosed in MRI as a thickened left lateral rectus muscle. The diagnosis of myositis with positive borrelia burgdorferi serology was consistent with Lyme borreliosis. Other laboratory examinations were negative. The symptoms were reduced after treatment with ceftriaxon. CONCLUSIONS: Lyme borreliosis was found in one in five patients after tick infestation in the eyelid region. antibiotic prophylaxis against Lyme borreliosis with ampicillin is recommended for children after a tick bite.
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ranking = 110.09457560061
keywords = borreliosis
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3/3. Parasitization of humans in west virginia by ixodes cookei (acari: ixodidae), a potential vector of Lyme borreliosis.

    In 32 collections, two larvae, 33 nymphs, and one adult female ixodes cookei Packard were collected from humans in west virginia from August 1987 to May 1990. Most were attached. The ticks were found in 14 counties and were the most abundant ixodes found biting humans. One nymphal I. cookei was removed from the left axilla of a 39-yr-old woman who lives and works in Monongalia and Marion counties, W. Va. The bite was the center of an expanding erythematous lesion reaching 4 cm in diameter, clearing centrally, and typical of erythema migrans. This association and the near absence of ixodes dammini Spielman, Clifford, Piesman & Corwin from the state suggests the possibility that I. cookei may be an important vector of Lyme borreliosis in west virginia. In five separate collections, five nymphal ixodes dentatus Marx were removed from humans in four counties, implicating this species as a potential minor vector of Lyme borreliosis in west virginia.
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ranking = 82.57093170046
keywords = borreliosis
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