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J Am Acad Dermatol. 1995 Feb;32(2 Pt 1):184-7.

Cultivation of Borrelia burgdorferi from human tick bite sites: a guide to the risk of infection.

Author information

1
Department of Dermatology, State University of New York at Stony Brook.

Abstract

BACKGROUND:

The risk of acquiring Lyme disease has been evaluated by xenodiagnostic procedures with laboratory strains of Borrelia burgdorferi and laboratory-reared Ixodes ticks, or by clinical trials in which diagnosis was based on clinical findings, culture, or serologic tests.

OBJECTIVE:

Our purpose was to determine the risk of infection from tick bites in a natural setting in which wild strains of B. burgdorferi were involved, by a biopsy culture technique.

METHODS:

Skin biopsy specimens were obtained from Ixodes scapularis tick bite sites, processed, and examined for the presence of B. burgdorferi.

RESULTS:

B. burgdorferi was cultivated from only 2 of 48 skin biopsy specimens. In both instances duration of tick attachment was approximately 24 hours.

CONCLUSION:

In a hyperendemic region for Lyme disease the risk of infection after a deer tick bite appears to be low, particularly if the tick has been attached for less than 24 hours.

PMID:
7829700
[Indexed for MEDLINE]

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