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Detection of Ehrlichia chaffeensis in adult and nymphal stage lone star ticks (Amblyomma americanum) from Long Island, New York

Journal of Medical Entomology

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Abstract

The lone star tick, Amblyomma americanum (L.), has increased in abundance in several regions of the northeastern United States, including areas of Long Island, NY. Adult and nymphal stage A. americanum collected from several sites on Long Island were evaluated for infection with Ehrlichia chaffeensis, the causative agent of human monocytic ehrlichiosis (HME), by using a nested polymerase chain reaction assay. Fifty-nine (12.5%) of ,17.3 adults and eight of 11.3 pools of five nymphs each (estimated minimum prevalence of infection 1.4%) contained DNA of E. chaffeensis. These data, coupled with the documented expansion of lone star tick populations in the northeastern United States, confirm that E. chaffeensis is endemic to many areas of Long Island and that HME should be considered among the differential diagnoses of the many distinct tick-borne diseases that occur in this region.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Detection of Ehrlichia chaffeensis in adult and nymphal stage lone star ticks (Amblyomma americanum) from Long Island, New York
Series title:
Journal of Medical Entomology
Volume
41
Issue:
6
Year Published:
2004
Language:
English
Contributing office(s):
Patuxent Wildlife Research Center
Description:
1104-1110
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
1104
Last page:
1110
Number of Pages:
7